How to Run a Scrap Metal Tender: Lots, Bidder Qualifications and Award

Factories, dismantling plants, property management companies and state-owned entities accumulate a batch of scrap copper, scrap aluminum, scrap stainless steel and obsolete equipment every year. Once the volume gets large, it is no longer suitable to sell to acquaintances—prices are unclear, accounts are hard to justify, and if something goes wrong, you still bear responsibility. Public tender (or competitive bidding disposal) is a common way to sell such material at a good price while keeping the process clean. But many people hit pitfalls the first time they issue a tender: lots are split too broadly, so only one or two bidders quote; qualification thresholds are set incorrectly, shutting out legitimate recyclers; the contract fails to state impurity and moisture deduction rules; and after award, disputes keep arising at the pickup stage. This article follows the sequence 'whether to tender → how to split lots → how to set qualifications → how to bid → how to write and publish the announcement → from award to settlement', and explains the entire process for publishing a scrap metal tender. It is suitable for equipment, asset, procurement and finance staff responsible for scrap disposal to use directly as a checklist.

1. First Decide Whether to Tender

Not all scrap is worth tendering. Judge first by the following points:

1. Volume and amount: For large single batches, high-value amounts, or material generated continuously throughout the year and suitable for an annual framework, tendering produces the most obvious price-comparison effect; for odd lots of a few hundred kilograms of offcuts, the organizing cost of a tender may be higher than the price difference, so directly obtaining quotes from two or three buyers is more cost-effective.2. Compliance requirements: Disposal of obsolete materials by state-owned enterprises, public institutions and listed companies is usually subject to internal asset management and state-asset supervision rules, generally requiring public bidding or entry into a property rights exchange. Specific requirements are subject to the rules of your own unit and superior competent department; do not improvise.3. Material complexity: Where categories are mixed, grades are numerous, and equipment and hazardous waste are mixed in, tendering can force buyers to quote each type clearly and avoid a 'one-price package' that values high-priced material at a low price.4. Historical problems: If there have been weighing disputes, kickback reports, or pickup delays in the past, switching to public tender is the most direct corrective measure, and the paper trail also facilitates auditing.

Conclusion: For large volumes, high amounts, compliance requirements or past disputes, prioritize tendering; for small, scattered quantities, price comparison is enough, but written records should also be kept.

2. How to Split Lots So Bidders Show Up

Lot splitting determines how many companies can come and how high the quotes can be; it is the most critical step in the entire tender.

1. Package by material type: Copper (bright copper, red copper, brass, cable), aluminum (profiles, aluminum turnings, cast aluminum), stainless steel (by grade such as 304, 316), steel, and motor/electrical equipment should be separated into packages. A recycler specializing in copper will not want to take a pile of scrap steel just to get one package of copper; mixing them instead depresses prices.2. Hazardous waste must be listed separately: Waste lead-acid batteries, oil-containing metal turnings, electroplating sludge, heavy-metal-containing waste liquid and other hazardous wastes may only be handed to entities holding the corresponding hazardous waste operating permit, and must never be placed in the same package as ordinary scrap metal.3. State the degree of sorting clearly: Whether it is sorted high-grade material or a mixed lot directly affects how buyers estimate content. If rough sorting can be done in-plant first, the premium brought by sorting is usually higher than the sorting cost.4. Batch or framework: For a one-time warehouse clearance, use a single-batch tender; for continuously generated material, use a six-month or one-year framework tender, agreeing the pricing formula and pickup frequency.5. Provide sufficient valuation information: In each lot, state material type, approximate quantity (noted as an estimate, subject to actual weighing), storage location, stacking method, attach site photos, and arrange a unified inspection time.

The more transparent the information, the smaller the 'risk discount' buyers reserve, and the higher the quotes will naturally be.

3. How to Set Bidder Qualifications

The purpose of qualification conditions is to retain buyers that 'can handle it, are compliant, and can pay', not to artificially raise thresholds. Common settings are as follows:

1. Entity qualification: Have a valid business license with business scope including scrap metal or renewable resource recycling; under current rules, enterprises engaged in renewable resource recycling usually need to file/register with the local competent department, and you may require a filing certificate.2. Special permits: For lots involving hazardous waste, a hazardous waste operating permit must be required, and the permitted category and scale must be checked to see whether they cover the tender subject; the permit can be verified through public channels of the ecology and environment department.3. Performance capability: Require corresponding transportation and loading/unloading capability (owned or cooperative vehicles are both acceptable); where equipment dismantling is involved, dismantling operation and safety management capability are also required.4. Credit status: May require that the bidder is not on the list of serious dishonest entities and has had no major environmental protection penalties in recent years.5. Deposit: Setting a bid deposit can screen out bidders who quote casually and fail to pick up after winning; after award it converts to a performance deposit, and for unsuccessful bidders it is refunded promptly, with the refund time stated in the announcement.

Be careful not to set unnecessary thresholds, such as requiring excessively high registered capital or restricting to local enterprises; these will shut out legitimate out-of-town recyclers, and with fewer participants, prices cannot rise.

4. Bidding Methods and Pricing Rules

Scrap metal tenders commonly use three bidding methods; choose according to the characteristics of the lot:

1. One-time sealed bid: Bidders quote a unit price once, and the highest bid wins. Simple to organize, suitable for lots with a single material type and transparent pricing; the disadvantage is no second round of competition.2. Multi-round online bidding: On a bidding platform, time-limited multiple rounds of ascending bids take place, and everyone sees the current highest price in real time. This is the most competitive and suitable for lots with large amounts and many participants, but it requires a platform with bidding functions or a property rights exchange.3. Formula pricing: Commonly used for framework tenders; it is agreed that the average price of a certain public quote (for example, the average price of the corresponding grade from Yangtze River spot or Shanghai Metals Market) during the current pickup period serves as the benchmark; bidders quote a coefficient or premium/discount, and the competition is on this coefficient. The advantage is that there is no need to re-tender each batch, and both parties accept market rises and falls.

The pricing rules must clearly state:

Pricing unit (by ton or by kilogram, tax-inclusive or tax-exclusive);
Which publisher, which grade, and which period's average price the benchmark quote is taken from;
Calculation methods for impurity, moisture and packaging deductions and the re-inspection method in case of dispute;
Whether a reserve price is set and whether it is confidential (usually confidential; bids below the reserve price may result in a failed tender).

The more detailed the rules, the fewer disputes after award.

5. How to Write and Where to Publish the Announcement

A qualified scrap metal tender (bidding) announcement should at least include the following elements:

1. Name of the disposing entity, project name and number;2. Lot division, and for each lot the material type, estimated quantity, and storage location;3. Bidder qualification conditions and supporting documents to be submitted;4. Inspection time, location and contact person;5. Deadline and method for registration and submission of bid documents;6. Bidding method, pricing rules, deposit amount and refund method;7. Bid opening time and place or online bidding platform entry;8. Main contract terms such as payment method, pickup deadline, and liability for breach.

Choose publishing channels according to compliance requirements and the range of buyers you want to reach:

Your own unit's official website or the group procurement platform; this is the most basic step for an audit trail;
Property rights exchanges or public resource trading platforms; asset disposal by state-owned entities often goes through this route;
Industry information platforms and renewable resource trading websites, with broad coverage, able to reach out-of-town professional recyclers;
Targeted invitations: While publishing publicly, invite buyers with a good past cooperation record, but do not invite only without public disclosure.

The announcement period must leave enough time for buyers to inspect the goods, calculate, and prepare documents; if too short, it will be questioned as 'only wanting a specific person to win'. In the 'Tender & Procurement Opportunities' column of Guilin Nonferrous Metals Network, you can see public tender and procurement announcements from various places; before writing an announcement, review several similar disposal projects to avoid missing many elements.

6. From Bid Opening and Award to Pickup and Settlement

Issuing the tender is only the beginning; if the latter half is handled poorly, you will also suffer losses:

1. Keep a record of bid opening: At least two people should be present during bid opening, record each bidder's quote, and for online bidding save the platform's bid records. Obviously abnormal quotes (far lower than others or highly similar among several bidders) must be separately verified.2. Failed tender and re-tender: If there are insufficient valid bidders or the highest price is below the reserve price, the tender fails as agreed in the announcement; before re-tendering, review the reasons, which are commonly lots being too mixed, incomplete information, or insufficient inspection time.3. Sign the contract: After the award notice, sign the contract as soon as possible; the contract should copy the pricing, impurity/moisture deduction, pickup deadline, and breach liability clauses from the announcement, and rules should not be changed temporarily at signing.4. Payment before delivery: For ordinary scrap metal, it is generally agreed that payment is made before pickup, or prepayment by batch; for framework tenders, a performance deposit can be set as a fallback.5. Weighing and pickup: Agree on the weighbridge house, both parties being present, and signing of tare and gross weight records; at the pickup site, pay attention to safety and proper loading, and dismantling operations must have a safety briefing.6. Invoices and archives: How invoices are issued must be clearly stated in the contract; tax treatment related to renewable resources is subject to the local tax position; the announcement, bid documents, bid opening records, contract, weighbridge tickets, and payment vouchers should be archived as a complete set for audit convenience.

For hazardous waste lots, also check whether procedures such as transfer manifests are complete, and ensure the disposal destination is traceable.

Frequently Asked Questions

Q: Does scrap metal disposal require public tender?

Not necessarily; it depends on the nature of the unit and internal rules. Private enterprises may decide on their own whether to compare prices, use invited bidding or public tender; disposal of obsolete materials by state-owned enterprises and public institutions is usually subject to state-owned asset and asset management rules, generally requiring public bidding or entry into a property rights exchange, and specific requirements are subject to the rules of the unit and superior competent department. Whichever method is used, it is advisable to keep written price comparison and transaction records.

Q: What if only one or two bidders bid?

First determine according to the announcement whether the tender has failed, then review the reasons. Few participants are mostly due to three problems: lots are too mixed, professional recyclers are unwilling to take them; information such as material type, quantity, and photos is incomplete, buyers do not dare to quote; the announcement period or inspection time is too short. Split lots by material type, supplement information, extend the announcement period and re-publish, and at the same time expand coverage on industry platforms; this usually improves matters markedly.

Q: Should the reserve price be disclosed?

Generally no; a confidential reserve price is more favorable to the seller. A public reserve price easily leads all bidders to bid just at the reserve price, losing competition; for a confidential reserve price, just state in the announcement that 'the tender fails when the highest quote is below the reserve price'. The reserve price should be determined internally before bid opening based on recent public market quotes and material conditions, sealed in writing, and kept for reference after bid opening.

Q: Can hazardous waste and ordinary scrap be placed in one tender?

No. Hazardous wastes such as waste lead-acid batteries, oil-containing metal turnings, and electroplating sludge may only be disposed of by entities holding a hazardous waste operating permit for the corresponding category. If mixed with ordinary scrap metal in one tender, it will either turn ordinary recyclers without permits into non-compliant receivers, or shut out qualified hazardous waste entities. Hazardous waste must be packaged separately, have separate qualification conditions, and go through transfer procedures.

Q: How to prevent bidders from colluding to depress prices?

The key is to broaden participation and keep a record of the bidding process. Specific measures: publish publicly rather than only by targeted invitation; set a confidential reserve price; use multi-round online bidding to allow full price competition; compare quotes at bid opening, and focus on verification where several quotes are highly similar or bids are registered under the same contact person or same address; state in the announcement that any bid rigging found will result in disqualification and forfeiture of the deposit.

Q: Can individual recyclers participate in bidding?

It is decided by the tendering party in the qualification conditions, but most formal disposal projects require a corporate entity. The reason is that a corporate entity can issue compliant invoices and makes it easier to sign contracts and pursue liability; the business qualification for renewable resource recycling also needs an entity to apply for. If the subject is a small batch of ordinary scrap metal and the unit has no special compliance requirements, it can be opened up, but payment and pickup terms should be stricter.

Q: How does the price of a framework tender follow the market?

Use formula pricing rather than locking in a fixed unit price. Agree that the average price of a certain grade from a certain public quote source during the current pickup period (such as the current week or month) serves as the benchmark; bidders quote a coefficient or premium/discount, and at settlement the unit price is calculated by multiplying the current period average price by the coefficient. The contract should also specify the source of the benchmark quote, the price-taking interval, and impurity/moisture deduction rules, so that both parties accept market rises and falls without renegotiating every batch.

Q: Where to find more recyclers to bid?

Beyond public publication, actively finding professional recyclers in the same category and region is most effective. You can search company directories by province and category and add legitimate recycling companies to the invitation list; you can also post supply information on industry trading platforms so buyers with demand will contact you. The company directory and supply-demand hall of Guilin Nonferrous Metals Network can both be filtered by category and region, making it suitable for expanding the bidder pool.

Key Takeaways

1. Scrap with large volume, high amount, compliance requirements or past disputes should prioritize tendering or public bidding.2. Split lots by material type; hazardous waste must be packaged separately; the more transparent the information, the higher the quotes.3. Set qualification conditions only in the three categories of 'compliant, able to handle it, able to pay', and do not set unnecessary thresholds.4. In pricing rules, clearly state the pricing unit, benchmark quote, impurity/moisture deductions, and reserve price treatment; use formula pricing for framework tenders.5. Public publication plus targeted invitations, with a paper trail and archiving throughout the process, payment before delivery, and signatures by both parties at weighing.

About Guilin Metals

Guilin Metals (Chinese name 贵临有色网, guilinmetals.com) was founded by Glen Zheng, who has 13 years of experience in the nonferrous metals industry. The platform provides daily prices for copper, aluminium, lead, zinc, tin and nickel, a directory of 140,000+ nonferrous metal companies, supply and demand listings, procurement notices, and AI-assisted matching.

Daily prices: https://www.guilinmetals.com/en/prices
Company directory: https://www.guilinmetals.com/en/companies
Marketplace: https://www.guilinmetals.com/en/market

*Data as of 2026-09-15.*