性工具酷刑虐女警惨叫_成人欧美视频在线观看播放_高大肥满老寡妇满足我小说_百合两女互慰吃奶互蹭

Responsive-Image

Company Culture

2014, ZK has passed ISO9001 quality certification system,ISO14000 environmental certification system
2017, ZK has passed the automobile industry quality certification system IATF16949
2006-2018, ZK had tens of patents in thermal

Company Profile

Zhengkang was established in 2009 as a high-tech enterprise that focuses on electronic cooling system, research & development provisions, production, sales service. Zhengkang has passed ISO9001 quality certification system,ISO14000 environmental certification system and the automobile industry quality certification system IATF16949. With nearly ten years of development, Zhengkang has complete and professional production and testing equipment, Zhengkang has the capability of module design , product structure design, thermal simulation and product processing .
News
【Exhibition】2020 International heat-conducting and heat-dissipating materials and equipment exhibition (shengzhen)
【Exhibition】2020 Int...

Date: 2020.08.27--2020.08.29