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 65 - 2000)
grade, rigidity A2-70
材质:碳钢、不锈钢、铜;规格:M2.5-M8
Material: carbon steel, stainless steel, copper; Specification: M2.5-M8