Chengyu whakamātautau Taputapu Co., Ltd., he kaihoahoa ngaio me te kaihanga o taputapu whakamātautau rauemi, i whakapumautia i roto i te 2001. Chengyu he R&D pokapū me te wheketere i Jinan me te tari ao i roto i Qingdao, Shandong kawanatanga, Haina whakaute.He tohunga matou ki te tuku taputapu whakamatautau ngaio mo nga whare wananga o te Tirotiro Kounga, Te Hanga Hangarau, Te Hanga, te Maina me te Ahumahi Ahumahi, tae atu ki nga Kaihanga Raima, Sima me te Uku, Taiwhanga Hangarau, Whare Whakaakoranga me te Rangahau, Minitatanga a te Kawanatanga, Kaihoko, Kaitohutohu me nga Kaitohutohu. etc.ki te ine i te kaha o te rauemi me te mahi hua.
Chengyu Testing Equipment Co., Ltd he mea motuhake ki te R&D me te hanga taputapu whakamatautau rauemi e whakamahia ana mo te whakarewa, kore-whakarewa me nga taonga hiato whakamatautau mahi miihini.