Crownwig integrates manufacturing, R&D with sales,

lt has also passed the ISO9001: 2008 quality management system certification.
Crownwig is committed to providing customers withhigh quality filtration products and services.

With advanced production equipment, strong R&Dability, and testing equipment all at high state of readiness, Crownwig can satisfy a variety ofprofessionally customized requirements
After years of unremitting efforts, the company has won high praise from its customers regardingits strict quality management and high-quality after-sales service, the well-known large customersaccounting for up to 95%.

Crownwig assists customers to win a lot of government bidding proiectstogether .

This is the best affirmation of our products and services