Shijiazhuang ABD Construction Products Co., Ltd. is a professional manufacturer in China, which specializes in concrete hardware. Our main systems include steel/plywood form, aluminum form, wire, construction hardware. Our main products include: 1. Steel/Plywood Form System: wedge bolt, X flat tie, wedge pin, D cone, B cone, B form tie, D form tie, rib washer; 2. Plywood Form System: snap tie wedge, A bracket, C clamp; 3. Aluminum Form System: aluminum form pin, wall tie, straight/curved ...