The concept of building fastener and use – Di Ethylene Glycol – china Calcium Ch
Anti-sliding style of construction machinery spare parts belonging to the field of fasteners. Construction fastener consists of two sub-fastener, each sub-fastening fastener Xiaoduan the next section with live bolt connections, and the big end and with Huokou thrust surface on the fastener to connect the two sub-fastener rivet connection between the grind and to rotate […]

