Why does the valve crack

Linyi Office Tel:

Tel: 0539-3119266

Mobile: 18053959699

Mobile: 15318569716

Mobile: 13967695796

Address: no.16-17, A32 District, Huaqiang plumbing pipe market, Linxi 11th Road, Lanshan District, Linyi City, Shandong Province

Shijiazhuang Office Tel:

Tel: 0311-67266769

Tel: 0539-85959581

Mobile: 15130100110

Mobile: 13833123667

Address: no.30.32, building 1, Dingjian Market North District, Chang'an District, Shijiazhuang City, Hebei Province

Xi'an Office Tel.:

Tel: 029-86105951

Mobile: 13484588876

Mobile: 13931895156

Address: No.13, row 5, HVAC zone, Daming Palace management base, Hongqi East Road, Xi'an, Shaanxi Province

Yuhuan factory headquarters Tel:

Tel: 0576-87371725

Fax: 0576-87370976

Mobile: 13396865806

Mobile: 13967695796

Address: No.1, Gangnan East Lane, barley island street, Yuhuan City, Zhejiang Province