Wenzhou yanyu international valve manufacturer and a trading company we are specialized company engaged in the developing, manufacturing, designing, installation and after service. Our main products include: Ball valve, butterfly valve, check valve, paddle valve, stainless steel hygienic valve etc, which are widely adopted in areas like chemical, petroleum, hydropower, pharmacy, property building, mechanical, etc.

We always insist on quality, credit, efficiency and feedback, and we pursue long term business which make us growing steadily. Now we have passed international standards approval. With quality as the base, we take advanced modem management and technology, which gives us steady orders and won us high appraise from our customers.