中文
/
EN
Home
About us
Qualification honor
Corporate culture
Management idea
Service network
Manufacturing
Organization
Profile
Products
BLY Series Self-operated...
BLM Series Direct Travel...
ZDRH/ZSRH Series High...
BL Series Welded Ball...
BLO Series Ball Valve...
BLW series butterfly...
Special Valve Series
Professional Valve...
BLP Series Direct...
Application
Nuclear power
Metallurgy
Energy
Exit
Customer Service
Qualification documents
After-sale service
Common data
Download
Join us
Employee demeanor
Talent concept
Recruitment...
Contact Us
中文
EN
General documents
Tools
Catelogue
After-sale service
File name
File view
CV value calculation
Description of Product Type Formulation
Instructions for ordering
Flange dimensions
Pipeline data
Matching table for bolt gaskets of paired flange
Data sheet
water properties
