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| TongSheng Brass Co.,Ltd is specialized in producing safety valve,pressure reducing valve,auto filling valve,radiator&lockshield valve,automatic air vent,auto shut-off cock,check valve,oil filter,and accessories.Some products have been granted patent rights.We also have obtained ISO9001 certificate.Our products are sold well home and overseas. We warmly welcome old clients and new friends to cooperate with us. |
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