Ultra-high strength and high modulus polyvinyl alcohol staple fiber and filament, polyvinyl alcohol water-soluble fiber, polyvinyl alcohol high strength filament, polyester.
Nylon fiber, polyester chips, polyvinyl acetate emulsion, redispersible rubber powder, vinyl acetate,
Manufacturing and sales of advanced fabrics, cement, dissolved acetylene, calcium carbide, lime and oxygen, and construction.
(III), equipment installation, machining, measurement management of railway track scale, etc.