Changzhou STW INDUSTRIAL CO., LTD is a professional manufacture and exporter of Steel ball and bearings. STW grow up from exporting Department. of Changzhou Huari Steel Ball Co., Ltd and have much experiences in trading business from year 1986. We had good relationships with dozens of factories , even join them directly in ways of technical cooperation, share participation and some others. That makes us become more diversified, effective and superior. We have been manufacturing 0.8mm to 250mm steel balls in different materials; all kinds of bearings; bicycle parts, motors, industrial tools and types of lightings. Our products are mainly applied in areas such as transportations, textiles, chemical-industrial, environmental protection, food-processing, mining, agricultural and other precision machinery fields.We enjoyed a sound reputation among customers. Our tenet is : Quality first, reality and efficiency, innovation, union and struggle to create the brilliancy. We warmly welcome all customers and friends both home and abroad came to cooperate and develop a better future with us.