... parts good quality Parting locks Detailed Product Description. 1, Material :High grade Nylon+SCM435 2, ... first,,quality assurance,reliable service.Contact information:Yukai Precision Mould Co., Ltd Marketing Dept. Tel : 0769-8779-3530; Fax : 0769-8778-6557 ... ,Guancang Village, Zhangmutou Town, Dongguan City, Guangdong Province, China parting locks