女同性按摩aaa女同性_国产成人精品高清在线观看93_国产精品亚洲va在线_久久国产精品日本波多野结衣

　　Maxpower testing center was set up in January 2014. It has machines for various kinds of testings, including chemical testing, torque testing, lifetime testing, hardness testing and carbon, sulfur, silicon, phosphorus elements analyzing, etc.

　　In 2017, Maxpower testing center passed the qualification from China National Accreditation Service for Conformity Assessment and got the CNAS certifi cate.