摘要: Excavator Pins Excavator pins are usually made of AISI 4130 or 4140 steel. The AISI 4000 series of steels are chromium-molybdenum steels. Chromium imp 阅读全文
posted @ 2020-12-31 16:36 lynsey 阅读(371) 评论(0) 推荐(0)
摘要: Hi XXX, We totally understand the serious situation- freight charge increase & container shortage- at the moment. And it might be difficult for both o 阅读全文
posted @ 2020-12-31 14:21 lynsey 阅读(257) 评论(0) 推荐(0)