+86 28 8393 0607
Quality System
ISO9001:2015
Conscientious meticulous
Quality is the enterprise’s foundation of survival
Any products with defects are scrapped
What the Duolin people pursuit is zero defect
Having the quality crisis send of 100-1=0
Full-course control is a must
I.E Design-Purchase of Raw Material-Production-Aging-Testing-Installation-After-sale service
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Tel.: +86 28 8393 0607
Mob.: +86 158 8242 2821
WhatsApp: +86 158 8242 2821
Add.: 112th Hancheng Road Xindu Industrial Zone Chengdu China