Vietnam Standard Rubber No. 3 SVR3L (Vietnam 3L): Shanghai
Malaysia-made No. 20 Standard Rubber (SMR20) is a type of natural rubber; Natural rubber is the most widely used in tire formulations, and the amount is also **; it is most used in tire treads, plies, steel wires, including inner tubes.

| Company Name | Beijing Weiduoduo E-Commerce Co., Ltd. | Country/Region | China |
| Business Type | Retailer | Company Size | 100 |
| Established | October 1, 2025 | ||
| Address | beijing fengtai | ||
| Main Products | Paper Manufacturing, Textiles, and Paper Packaging | ||
Beijing Wdoodoo E-Commerce Co., Ltd. (hereinafter referred to as “Wdoodoo”) is a core subsidiary of Guolian Co., Ltd. Established in August 2016, the company is positioned as an “Internet+” upgrade platform across the entire industrial chain, covering industries such as papermaking and packaging, smart textiles, industrial starch, recycling and environmental protection, rubber, and robotics. Its business scope includes wood chips, bamboo chips, pulp, base paper, paper rolls, industrial starch, cotton, fibers, plastic bottle flakes, yarns, grey fabrics, rubber, and robots.
The company primarily engages in B2B transactions of raw materials and finished products, supported by cloud ERP and cloud logistics systems. Driven by “aggregated procurement” and “supply chain upgrading services,” Wdoodoo actively promotes the development of an industrial Internet e-commerce ecosystem.
