Screw black black black finish machining process

Metal blackened, cheap price set amount from 2-3 yuan per kilogram price of 20 pounds Cong Wei: 13723595205 buttoned: 4427930999 Our company can provide door-to-pick-up service for free, the service area: Dongguan (Shijie town, Shilong Town, Chashan, Shek Pai town, Stone Town, Hengli Town, Bridge Town, Xiegang, Dongkeng, Changping Town, Liao Bu Town, Dalang Town, Huang Town, Qing Town, Tangxia Town, Fenggang town, Chang'an Town, Humen Town, Houjie town, Shatian, town of Kau, Hongmei Town, Ma Yongzhen, the town hall, Gao Bu Town, Zhangmutou town, Da Lingshan Town, Wangniudun Town) Songgang Shenzhen, Dongguan Yunda metal surface treatment plant professional processing hardware black, blue, black copper, stainless steel black, iron phosphate black, blue, carburizing black, heat-treated red, black, cold-drawn steel forgings black, integrated heat treatment mold large mold metal blackened and chemical nickel electrolytic polishing. The factory was founded in 2005, production experience and strong technical force, advanced production equipment, testing equipment complete, well-managed, with more than senior engineer and a high quality workforce, over the years the factory honor: "Quality is corporate life "business philosophy, factory technical personnel with many years of seniority, has accumulated rich experience, strong technical strength combined with high quality services, so that we not only in the prestigious peer, but also won widespread customer recognition and praise. Main business areas: hardware, black, blue, black copper, stainless steel blackened iron phosphate black, iron black, blue, carburizing black, red heat-treated, cold-drawn black black steel forgings, die size black hair blue. Can handle a large number of the following products: 1. Automotive: crankshafts, camshafts, gears, sprockets 2 .. mold categories: mold parts, guide posts, thimble, shaper cutters, cutter, arbor, screws 3. Blackened stainless steel, copper pieces black, metal phosphate processing 4-cylinder steel screw shiny black shiny black dura within the processing hex wrench black phosphate treatment magnesium alloy magnesium alloy anodized surface screws | nuts hair black handle 5. The tool blackened mold metal processing screw black black black working spring axle machining processing chain accessories black black black stainless steel screws processing oxygen compressor piston rod 6. blackened black: a combination of bolts, sheep eye bolts, threaded rods (screw), hex bolts, hex nuts, bolts plus gasket assembly .4.8 level surface black T-slot bolts M16 * 90 Contact phone: 13723595205 Wei Delin-mail: sleek7@163.com Details: http://www.dgyunta.com