必一运动严格按照GB、JB、美标API、ANSI、英国BS、德标 DIN、法国NF、日本JIS、JPI标准生产，适用于石油、化工、冶金、电力、建筑、热力、给排水、水处理、市政工程、制药、造纸、食品、铁路、矿山、消防等行业。

Baote valves are produced in strict accordance with GB, JB, American standard API, ANSI, British BS, German standard DIN, French NF, Japanese JIS, JPI standards, suitable for petroleum, chemical, metallurgy, electric power, construction, thermal power, water supply and drainage, water treatment , Municipal engineering, pharmaceutical, papermaking, food, railway, mining, fire protection and other industries.