union M& F flat seat are mainly divided into: Heavy and light type, 150lb or common American; Galvanized or black type; Types made to British standard thread and American standard thread.
Best regards
Ivy
Erhuan Malleable Iron Factory
Add : No.80 Heping west Road Shijiazhuang China
http://www.ehzz.com
Email : malleableivy@yahoo.com.cn
Tel : 86-311-85272225
Fax : 86-311-85272229
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Ivy
Erhuan Malleable Iron Factory
Add : No.80 Heping west Road Shijiazhuang
http://www.ehzz.com
Email : malleableivy@yahoo.com.cn
Tel : 86-311-85272225
Fax : 86-311-85272229