Send your service conditions — medium, pressure, temperature, flow and any constraints — and our engineers will reply with a sizing-verified proposal.
Please attach your datasheet or valve tag list if available — it speeds up the sizing review.

Search “问阀” in WeChat
Submit sizing & diagnostic requests online — faster engineer response.

Follow us on WeChat
Import-substitution technical content, linked with the Wenfa Mini Program.
上海大成特种控制阀有限公司
Shanghai, China