China PMI Company (PMI) was founded in 1990, specializing in the development and manufacturing of precision and precision ball screw. It has obtained ISO 9001 international quality certification and ISO14001 environmental protection certification, and passed the OHSAS-18001 certification of BSI Certification Company in 2009/5. For all the few manufacturers capable of producing JISC0 ball screw and taking into account environmental protection. [more]