Main business:Rubber and plastic products, polyurethane parts, valve sleeves, pipeline seals, automotive rubber and plastic parts Production and sales of parts, O-ring, oil seal, and rubber parts for mining tools
Main business:wear parts(foundation drill teeth and holders) for piling rig; wear parts (coal mining bit, surface miner picks, roadheader picks) for mining; top hammer rock drilling tools
Main business:Metallurgical mining machinery equipment, power equipment, steel and chemical equipment and accessories, metal materials, building materials sales. (For projects subject to approval according to law, business activities can only be carried out after