4 inch Water Brass NPT Thread Gate Valve control Valve

COVNA from Dongguan, China is a professional manufacturer of fluid control valves provides performance, safety and long service life products which have to reliably handle the most aggressive of substances, our products stand the test of time in food & beverage, water & wastewater, ultra pure water, desalination, chemical, textile, transportation, pulp & paper, mining, boiler and power industries.

COVNA give comprehensive service from start to finish, encompassing consultation through to after sales service, full support in every respect and ensure that you are accompanied at each stage of your project.

Together with continual feedback from our customers as well as our experience in manufacturing and quality control, COVNA aims to provide our customers the best quality products with the most competitive pricing,on-time delivery and full warranty service

Our competitive advantage:
● Consistent product quality and reduction of defective rate
● Improved manufacturing process and better productivity
● Significant cost reduction versus competitors

This is COVNA - solve your technical questions with solid experience.

COVNA were awarded both nationally and internationally and it's certified TUV SGS RoHS ISO 9001 for the entire process of design and manufacture of valves.