A01 SMARTDRILL TECHNOLGY CO.,LTD.
A02 SPRADOW MEASUREMENT TECHNOLOGY (CHANGZHOU) CO.,LTD.
A03/A04 WUXI DOUBLE HORSE DRILLING TOOLS CO.,LTD.
A05 WEIHAI HAIWANG HYDROCYCLONE CO., LTD.
A06 HEBEI HUAYUAN SCIENCE AND INDUSTRY CO.,LTD.
A07 ORIENT ENERGY&TECHNOLOGIES CO.,LTD.
A08 GUANGZHOU TIANXIN INSURANCE APPRAISAL CO., LTD. JIANGSU
A09 HEBEI ZHONGXING HONGLI DRILLS MANUFACTURING CO.,LTD.
A10 SHANDONG SHENGSHIDA PIPELINE CO., LTD.
A11 WUXI BEST DRILLING TOOLS CO., LTD.
A12 LANGFANG BAIWEI DRILL CO.,LTD.
A13/A14 HANGZHOU RUNLITONG NEW MATERIAL CO. , LTD.
A15 POCLAIN HYDRAULICS (SHANGHAI) CO.,LTD.
A16 SHANGHAI SGR HEAVY INDUSTRY MACHINERY CO., LTD.
A17 QINGDAO CHANGSHENG FENDER AIRBAG CO., LTD.
A18 NINGBO HUGES HYDRAULIC TECHNOLOGY CO.,LTD
A19 HEBEI SUJUE DRILLING EQUIPMENT CO LTD.
A20 任丘市博越工程技术有限公司
A21/A22 NANJING HUILITONG BENTONITE TECHNOLOGY CO., LTD.
A23 SHANDONG RUNDA BENTONITE CO., LTD.
A24 SHIJIAZHUANG ANJIE ELECTRIC CO., LTD.
A25/A26 HANGZHOU TUXING SUN BENTONITE TECHNOLOGY DEVELOPMENT CO.,LTD.
A27 YANCHENG JIATIAN TRANSMISSION MACHINERY CO., LTD.
A28 NAGOVITSYN ENGINEERING LLC
A29 JIANGYIN UNIQUE DRILLING TOOLS CO.,LTD.
A30 WUXI OCTOPUS TRADING CO., LTD.
A31 NANJING ZHENGLV INSTRUMENT CO., LTD.
A32 SHANGHAI VIMAP TECHNOLOGY CO.,LTD.
A33 TIANJINYITONG SCIENCE AND TECHNOLOGY DEVELOPMENT CO.,LTD.
A34 IMPREG (SUZHOU) CO., LTD.
A35 QINGDAO YUSHENGGUANGYUAN SHIP SUPPLIES CO., LTD.
A36 SAERTEX MULTICOM (PINGHU) CO., LTD.
A37 SHANGHAI SHENGYI INFORMATION TECHNOLOGY CO.,LTD.
A38 RAISING MEASUREMENGT (SHANGHAI) CO., LTD.
A39 DAOYUNAI ENERGY SAVING TECHNOLOGY
A40 LANGFANG TONGFANG MACHINERY CO., LTD.
A41 TAIYUAN CHANGDA HUAMEI NEW MATERIAL TECHNOLOGY CO., LTD.
A42 PERIODICAL OFFICE OF CHINA TRENCHLESS TECHNOLOGY
A43 安徽贝耐德管道新材料科技有限公司
A44 HEBEI LITE ENGINEERING MACHINERY CO., LTD.
A45 CHINA RAILWAY CONSTRUCTION HEAVY INDUSTRY CORPORATION LIMITED
A46 SHENZHEN VICQUICK ENVIRONMENTAL TECHNOLOGY CO.,LTD.
A47 EAGLE
A48/A49 ZHEJIANG YOUWEI NEW MATERIALS CO., LTD.
A50 SENSE HDD
A51 OLD TOWN WATER PUMP FACTORY, YUZHOU
A52 SHANDONG KEZHENG JACK MANUFACTURING CO., LTD.
A53 BENGBU HUIHUA RUBBER HOSE INDUSTRY CO., LTD.
A54/A55 SHENZHEN SROD INDUSTRIAL GROUP CO., LTD.
A56 HANGZHOU SIYE INTELLGENT EQUIPMENT CO., LTD.
A57 KPR ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD.
A58 SUZHOU LUBIN HI-TECH MATERIAL TECHNOLOGY CO., LTD.
A59 MICRO PIPE-JACKING
A60 JIANGSU HENGZHUO COMPOSITE MATERIALS CO., LTD.
A61 山东鲁科液压科技有限公司
A63 江西新程环境科技有限公司
A62/A65 HJOKO HYDRAULIC EQUIPMENT (SHANGHAI) CO., LTD.
B02 HEBEI XIN FAN GEOLOGICAL ENGINEERING MACHINERY CO.,LTD.
B03 HENGYANG ZHONGDI EQUIPMENT PROSPECTING ENGINEERING MACHINERY CO., LTD.
B04 KING-DRILLING SCIENCE & TECHNIQUES HDD TOOLS LIMITED COMPANY (LANG FANG)
B05 HUANGSHAN GOLDEN LAND ELECTRONICS CO., LTD.
B06 JIANGSU DILONG HEAVY MACHINERY CO.,LTD.
B07 GUANGZHOU T-PROBE EQUIPMENT CO.,LTD.
B08 HEJIAN CITY FEILONG RETOP ROCK BIT MANUFACTURE CO.,LTD.
B09 无锡陆顺钻探工具有限公司
B10 KES ENERGY EQUIPMENT MANUFACTURING HEBEI CO., LTD.
B11 ZHEJIANG DONGHAO HEAVY INDUSTRY TECHNOLOGY CO., LTD.
B12 ELEPHANT MACHINERY CO., LTD.
B13 NORTH STAR MACHINERY&DRILLING TOOLS CO.,LTD
B14 NANJING RAMA ELECTRONIC INSTRUMENTS CO., LTD.
B16 DIGITAL CONTROL INCCOPORATED
B17 WANXING BENTONITE CO.,LTD.IN JIANPING
B18 YANGZHOU DAWN DRILLING TOOLS CO., LTD.
B19 HENGWANG GROUP CO., LTD.
B21 LIAONING JINAO YUYUAN MECHANICAL EQUIPMENT CO. , LTD.
B22 YANGZHOU GUANGXIN HEAVY INDUSTRIES CO., LTD.
B23 LANGFANG MORAY DRILLING TOOLS CO.,LTD.
B24 XUZHOU GREENAN ENVIRONMENTAL EQUIPMENT CO., LTD.
B25 ZHENGZHOU HANYUN CONSTRUCTION MACHINERY CO.,LTD.
B28 SHANDONG TUODA ENGINEERING EQUIPMENT CO., LTD.
B29 TIANJIN RUILIKE ENGINEERING MACHINERY CO., LTD.
B30 ANHUI PRO-LINER PIPELINE REPAIR TECHNOLOGY CO.,LTD.
B31 YUZHOU LONGDE PUMP CO., LTD.
B32 SHANDONG DELIAN EQUIPMENT TECHNOLOGY CO., LTD.
B33 SHAOGUAN TIEYOU CONSTRUCTION MACHINERY CO.,LTD.
B34a 河北邢台久泰筛分设备有限公司
B34b 常州市多力仕机械配件厂
B34c SHEN ZHEN BESTNEW TECHNOLOGY CO.,LTD.
B36 SHANDONG JUESHUN MACHINERY EQUIPMENT CO.,LTD.
B37/B38 HEBEI CANGWEI ENVIRONMENTAL TECHNOLOGY CO., LTD.
B39 GN SEPARATION EQUIPMENT CO.,LTD.
C01 DW/TXS CONSTRUCTION EQUIPMENT(BEIJING) CO., LTD.
C02 VERMEER TIANJIN MANUFACTURING CO., LTD.
C04 DRILLTO TRENCHLESS CO., LTD.
C05 XCMG
C06 ANHUI TANGXING EQUIPMENT TECHNOLOGY CO., LTD.
D01 NANJING STETON ENGINEERING MACHINERY CO., LTD.
D02 SHAREATE TOOLS LTD./ZHEJIANG SHAREATE JINGKE POWER TECHNOLOGY CO.,LTD.
E01 SHENZHEN ANXIN MINING CO., LTD.
E02 RENQIU XIANGLI TRADING CO., LTD.
E03 DEZHOU HENGNAN MECHANICAI EQUIPMENT CO., LTD.
E04 WUXI RUILIN DRILLING TECHNOLOGY CO., LTD.
E05 CANGZHOU GREAT DRILL BITS CO.,LTD.
E06 LANG FANG PANGOLIN CONSTRUCTION MACHINERY CO., LTD.
E07 HEBEI SD PUMP INDUSTRY CO.,LTD.
E08 JINAN XINSANDA PLASTIC PIPE WELDING EQUIPMENT CO., LTD.
E09 HEJIAN LONGYUE DRILL BIT MANUFACTURER CO.,LTD.
E10 RENQIU CHENGFA PETROLEUM TECHNOLOGY CO., LTD.
E11a CANG ZHOU CREATOR DRILL EQUIPMENT SCINENCE AND TECHNOLOGY CO.,LTD.
E11b JINGZUAN (BEIJING) BENTONITE TECHNOLOGY DEVELOPMENT CO., LTD.
E12 HANGZHOU ZHONGRUN BENTONITE TECHNOLOGY DEVELOPMENT CO., LTD.
E13 HEBEI SOLIDKEY PETROLEUM MACHINERY CO., LTD.
E14 JIANGSU JIAYITE HYDRAULICS CO., LTD.
E15 FUJIAN YI DRILL MACHINERY CO. , LTD.
E16 ZHANGZHOU ANYUE ADVANCED MATERIALS TECHNOLOGY CO.,LTD.
E17 YANGZHOU JBM VIBRATION MANUFACTURING CO.,LTD.
E18 CHANGZHOU NEW RUIDE INSTRUMENTS CO., LTD.
E19 ASOE HOSE MANUFACTURING INC.
F01 YANGZHOU DILONG MACHINERY CO., LTD.
F02 BAOKUN MACHINERY TECHNOLOGY CO., LTD.
F03 ANHUI ZHUOKE INTELLIGENCE EQUIPMENT CO.,LTD.
F04 HENAN LIJIE ENVIRONMENTAL ENGINEERING CO., LTD.
G01 JIANGSU GOODENG HEAVY MACHINERY TECHNOLOGY CO.,LTD.
