Shanghai BST Fasteners Co., LTD is an ISO9001&ISO14001 certificated company, which has been specialized in manufacturing fasteners since 2003.so BST FASTENERS has a wealth of expert technical experience in fasteners. It covers an area of 50,000 square meters and more than 500 staffs. Our company main products carbon steel and stainless steel bolts, nuts, machine screws, self tapping screws, wood screws, chipboard screws, drywall screws, pins, rivets, washers, self drilling screws, anchors, welding studs, self-clinching fasteners according to the standard of GB, ISO, DIN, ANSI, BS, JIS, etc. It also can produce non standard fasteners according to the customers' requirements, samples and drawings. They are widely used in construction, communication, petrochemical industry, food machinery, medical equipment, solar energy, new energy and environmental industry etc. 80% of them were exported abroad. Such as Japan, Australia, South America, etc.If there any products which you are interested, please feel free to contact info@bstfasteners.com for more information.