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ACE Hollow-Ball Valve Company
Limited has the patent rights in making stainless steel hollow ball, since 1995, dedicated
to innovation of forming pipe hollow valve ball and successfully accomplished the
production in May of 1996. We have got patent rights of the unique hollow ball
construction and its forming method, patent recognized by Taiwan, Germany, Japan, China,
France and followed by many other countries so far.
PATENT
Taiwan No.105898
Japan No. 3039639
Germany Nr. 20800348.1
China Zl. 98201887.8 |