carbon steel drywall screw black phosphated/grey/zinc

JiaXing Hongcheng Fastener Co., Ltd. specializes in producing  self-drilling screws,  self-tapping screws,  drywall screws, chipboard screws, wood construction screw ,timber screw，furniture screws，non-standard screws etc. Situated in the hometown of China fasteners--Haiyan of Zhejiang Province, it is only 100km away from Shanghai, 80km from Hangzhou and 100km from Suzhou. It enjoys a very good location. Our company has a set of machines and production lines imported from Taiwan. In addition, we have a group of excellent technical management talents and a strict quality control system. Giving priority to quality, customers, credit standing, we welcome customers to come and visit us to establish business relations and seek for mutual development!