瑞安市精工组合紧固件厂
Rui’an Jinggong Combination Fastener Factory
瑞安市精工组合紧固件厂
(GB 9074.9 - 1988)
material Carbon steel
Coating zinc plated color
材质:碳钢、不锈钢、铜;规格:M2.5-M10
Material: carbon steel, stainless steel, copper; Specification: M2.5-M10