Changzhou Zhengda Tongyong Textile Instrument Co., Ltd. established in 2002, it is a professional textile testing and laboratory equipment manufacturing supplier, specializing in providing yarn, fiber, cloth, fabric, wool spinning, dyeing and finishing, chemical fiber, non-woven fabric, non-woven sanitary materials, sanitary products, medical and sanitary materials, film, industrial filter materials, glass fiber, fishing line, fishing net, rope, high-strength thread, sewing thread, pagoda thread, Bondi .......