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 /T 5282 - 1985)
material brass
材质:碳钢、不锈钢、铜;规格:M2.5-M8
Material: carbon steel, stainless steel, copper; Specification: M2.5-M8