بترول - المُصنع المنتج - الصين

TIANHE OIL

SUFA TECHNOLOGY INDUSTRY CO.,LTD., CNNC

GUILIN STAR DIAMOND SUPERHARD MATERIAL CO., LTD

GONGYI ANBO CERAMIC CO.,LTD

XI'AN YONGXING SCIENCE TECHNOLOGY DEVELOPMENT CO.,LTD.

HENAN DOUBLE ELEPHANTS MACHINERY I/E CO.,LTD.

LIJIN HONGSHENG OIL CO,.LTD

GO GREEN INDUSTRIAL (SHANGHAI) CO., LTD

XAYT PETROCHEMICAL TECHNOLOGY DEVELOPMENT CO.LTD

HUBEI JIANGNAN SPECIAL AUTOMOBILE CO.,LTD

TAITE VALVE CO.,LTD

QINGDAO WONTIDE CO.,LTD.

SINOBOOM PETROLEUM EQUIPMENT CO., LTD

ZHENGZHOU TOP TRADING CO., LTD

HENAN XINXIANG NO.7 CHEMICAL CO., LTD

YONGJIA WELLDONE MACHINE CO.,LTD

BSG TRADING CO.,LTD

HUADU LONG METAL PROCESSING MACHINERY EQUIPMENT CO., LTD

SHENGLI OIL FIELD RUITE MACHINERY MANUFACTURING CO., LTD.

SHANDONG HONGDA TECHNOLOGY GROUP CO., LTD.

OIL MACHINE WORLD

DEHER CHINA CO., LTD.

ZHANGQIU YU BIN PETROCHEMICAL FITTINGS FACTORY

HEBEI SHENZHOU STEEL PIPE MANUFACTURING CO., LTD, GUANGZHOU BRANCH

ELITE STRATEGY

PANJIN G-HIGH CARBON PRODUCTS CO., LTD

ANSUN TRADING GROUP LIMITED

BEIJING DEHAIBEI SCI-TECH DEVELOPMENT CO., LTD.

PINGXIANG MEITAO CHEMICAL PACKING CO.,LTD

BEIJING TRIPOD INTERNATIONAL TRADE CO., LTD.