?? Yantai Hemei ??????? ???? ?????? Co., Ltd ???? ???? ???
???? ???????;6-50 ??
?? ??????? ?? ???? ????
???? ?????
????? ???? ????? ????? ????? ? ??? ???
??????? 360 ° ??????.
??? ?????? TORQUE ?????? ????
?????-?????, ????-???? ??? ????.
?????? ???? ?? ??? ????? ?HARDOX 400 ?????
???? ??????? ????? ????? SPEED-Valve ???
??? ????? ?????.
???? ????? ??? ?? ???? ?????
