<rt id="swcwy"></rt><acronym id="swcwy"><xmp id="swcwy">
<acronym id="swcwy"></acronym>
<acronym id="swcwy"></acronym><option id="swcwy"><xmp id="swcwy">
<tr id="swcwy"><xmp id="swcwy">

The company has been certified by ISO9001:2008 international quality management system, and now we are promoting the implementation of TS16949.

Product quality is the life of the DaoCheng, that it adopts international advanced quality control system with PPAP, SPC, MSA, FMEA, PPAP method and measuring gage repeatability and reproducibility, and initial samples approval, etc., which ensure the product quality and delivery. The company product has been well sold to European, south-east countries because of its good reputation and high quality, and it is appraised by oversea customers.

Copyright ? Daocheng 2014      Design by HANSN

乱人伦中文字幕在线,九九视频在线观看视频6,亚洲欧美黑人猛交群,很黄很色60分钟在线观看
<rt id="swcwy"></rt><acronym id="swcwy"><xmp id="swcwy">
<acronym id="swcwy"></acronym>
<acronym id="swcwy"></acronym><option id="swcwy"><xmp id="swcwy">
<tr id="swcwy"><xmp id="swcwy">