Separate Negotiation Separate Signing + Luoyang Shuangrui Rubber & Plastic Technology Co., Ltd. + Inquiry Letter for Ballast Mat Preparation Materials: Carbon Black, Physical Plasticizer, Zinc Oxide, Antioxidant, Naphthenic Oil, Sulfur, Microcrystalline Wax

[Tender Notice] Separate Negotiation Separate Signing + Luoyang Shuangrui Rubber & Plastic Technology Co., Ltd. + Inquiry Letter for Ballast Mat Preparation Materials: Carbon Black, Physical Plasticizer, Zinc Oxide, Antioxidant, Naphthenic Oil, Sulfur, Microcrystalline Wax Purchasing Unit: Luoyang Shuangrui Rubber & Plastic Technology Co., Ltd. Region: Jianxi District, Luoyang, Henan Published: 2026-07-15 Bid Deadline: 2026-07-17