Ningbo Chenglong Standard Piece Molding Tool Factory, established in 2004, is a young group specializing in manufacturing high precision HSS piercing pins and normative screws of industrial products. After 3 years' development, we have already become a modern factory which occupies an area of over 2,000 square meters. The range of our product line, good quality, and competitive prices have made us one of the fastest growing companies of its kind in Ningbo City. We also have a group of skilled technical team and many splendid staff. All our employees insist in the business aim of "Hard Respect-Work, Actively Creative" strictly. With advanced production equipment and abundant experience, 70% of our products are sold to Korea, Japan, and Taiwan Region. Our company has full-automatic manufacturing line and advanced testing equipment. We have imported a series of advanced equipment to control