2021
2019
2018
2017
2016

-2021*

*

* 12.11.2020

ALPHA-SAFETY, / KAZAKHSTAN
BEIJING POWER INTERNATIONAL EXHIBITION CO., LTD (BEIJING) / CHINA
ENERPAC B.V. / NETHERLANDS
GUANGZHOU GU-POWER TECHNOLOGY CO.LTD / CHINA
HAMRIYAH FREE ZONE AUTHORITY / UNITED ARAB EMIRATES
RAMCRO S.P.A. / ITALY
SIEMENS / GERMANY
SUMITOMO CORPORATION / JAPAN
TAIRIKU TRADING CO., LTD / JAPAN
UNIKA UNIVERSAL KABLO SAN VE TIC. A.S / TURKEY
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5 Elem Hi-Tech Corporation/China
Aciselsan Acipayam Seluloz/Turkey
AMICO GAS POWER CO., LTD./China
Anhui Jucheng Fine Chemicals Co., Ltd./China
ANHUI TIANRUN Chemicals Co., Ltd./China
ANPING GUANGMING METAL PRODUCTS/China
ATRISAU/China
Baoji Baohao Petroleum Machinery/China
BEIJING FJR OPTO-ELECTRONIC TECH.Co.,LTD/China
Beijing HTWB Petroleum/China
Cangzhou HaoGuan Pipe Fittings/China
CANGZHOU LONGTAIDI PIPE/China
Cangzhou Ruitai Petroleum/China
Cangzhou Zhongshun Steel/China
Changsha Taihe Electronic Equipm. Co.Ltd/China
Chengdu Chenggao Valve Co., Ltd./China
Chengdu Minjang Precision Cutting Tool/China
/China Electronics Technology/China
/China Petroleum Technology &/China
CN-OILSNAB CO.,LTD/China
CNPC HUABEI PETROLEUM FEIDA CO., LTD./China
CNPC Logging Company Limited/China
CRRC Yongji Electric Co., Ltd./China
Dalian Haixin Chemical Co., Ltd./China
DeZhou Horizon Oil Technology Co., Ltd./China
DEZHOUBORUPETROLEUMMACHINERYCO.,LTD/China
DezhouUnitedPetroleum/China
DHG Enterprise Service GbR/Germany
Dongying Weima Petroleum/China
DRILLTECH MANUFACTURING CO.,LTD./China
Every Industry LLC/USA
Flow Technologies Trade Fairs/Germany
Fujian Kunfu Stock Co., Ltd./China
Fujian Wanlong Superhard/China
GAOYOU HUAXING PETROLEUM PIPE/China
Grande-Tek Flow Control Co., Ltd./China
Guanghan N & D Carbide Co., Ltd/China
Guangzhou Weiwo Industry Equipm. Co.,Ltd/China
Haimo Technologies Group Corp./China
Harbin aisheng intelligent technology/China
Hebei Ahad Tubeline Co., Ltd./China
Hebei Boxing Petrochemical/China
Hebei GN Solids Control Co., Ltd./China
Hebei Haihao Group Saitong/China
HEBEI HAIHAO GROUP STEEL PIPE/China
Hebei Hengying Wire Cloth Co., Ltd./China
HEBEI HITECK MACHINERY EQUIPMENT CO.,LTD/China
HEBEI JIALANG OIL DRILLING EQUIPM.Co.Ltd/China
Hebei Jingbo Petroleum Machinery Co.,Ltd/China
Hebei Jinsheng Pipe Fitting/China
Hebei Longsheng/China
Hebei Minhai Pipe Fitting Co., Ltd./China
Hebei Ruishi Bits Manufacturing Co., Ltd/China
Hebei Wentai Metal Mesh Co., Ltd/China
Hebei XinHuaFa Petroleum Mechanical/China
Henan Chicheng Electric Co., Ltd/China
HENAN DEMALONG FILTRATION EQUIPM. CO.LTD/China
Henan SF DIAMOND CO.,LTD./China
HISTRONG CERAMICS LIMITED/China
HONGHUA GROUP Co. Ltd./China
Hubei Hongyi Electronic/China
HUBEI JIAYE PETRO-MACHINERY CORP./China
HUBEI XINGFA CHEMICALS GROUP CO.,LTD/China
HYDR-STAR FLUID CONTROL COMPANY LIMITED/China
JIANGSU CHANGBAO STEEL TUBE LIMITED CO./China
Jiangsu Hiknight Petroleum/China
JIANGSU RUDONG LIANFENG/China
Jiangsu Saifu Petrol Machinery Co., Ltd./China
JIANGSU SUNKAIER INDUSTRIAL TECH.Co.,LTD/China
JIANGSU TAISHUN ENERGY/China
JiangsuRushiMachineryCo.,Ltd/China
JiangsuRutongPetro-MachineryCO., LTD/China
Jiangyin Shiming Steel Tube Co. Ltd./China
JiangyinYangziFittingCo.,Ltd./China
Jiashan Huanqiu Mechanical/China
JINAN KAIXIANG PETROLEUM MACHINERY/China
JinanLongchaoPetroleum/China
JINANXINYUCEMENTEDCARBIDECO.,LTD/China
JINING FORTUNE BIOTECH CO., LTD./China
KANEX Krohne/Germany
KES Energy Equipment Manufacturing Hebei/China
Keydrill Technology LLC/USA
Klaus Union GmbH & Co. KG/Germany
Laizhou Rising Star/China
Lake Petro Co., Ltd./China
Landoil Chemical Group Co., Ltd./China
Leobersdorfer Maschinenfabrik/Austria
Liangzheng Valve Co., Ltd/China
Liaoning Province Co. Ltd./China
Lishui Ouyi Valve Co., Ltd./China
Lokring Northern UK Ltd.
Luohe Letone Hydraulics Technology/China
LUOYANG REASTAR TRANSMISSION CO.,LTD./China
Munger International Petroleum/China
Nanjing Huazhou New Material Co., Ltd./China
NANYANG CISK PETRO-MACHINERY CO., LTD/China
New Century Machinery Co., Ltd./China
NEWAY VALVE (SUZHOU) CO., LTD./China
Ningbo Chuangxing Intelligent/China
NINGBO OURSOLID COMPOSITE/China
Orient Corporation Pte. Ltd./Singapour
Oviko Group Co. Ltd./China
Panjin Liaohe Oilfield Tianyi/China
Pietro Fiorentini S.P.A./Italy
PROBUS Maschinenbau GmbH/Germany
Puyang sanli integrity oil Equipment/China
PuYang ZhongYuan Restar Petroleum/China
PuyangCityWanglianMachinery/China
Qingdao Bitop Trading Co., Ltd./China
Qingdao Hady Industrial Co., Ltd/China
Qingdao Oceanview Chemical Co., Ltd./China
QINGDAO SINGHO MACHINERY CO., LTD/China
Rays Flow Control, Inc./China
Resato International B.V./Netherlands
RG Petro Machinery Group Co., Ltd./China
Rongsheng Machinery Manufacture ltd/China
Rongye Group Co., Ltd./China
Sailuoke Fluid Equipment Inc./China
Seed Technologies Corp., Ltd./China
Senben Lighting Technology Inc. Company/China
SHANDONG HUANING ELECTRIC/China
Shandong Mingzhu Petroleum/China
Shandong Ruihai Investment Co.,Ltd/China
Shandong Sanyi Industrial Co., Ltd./China
Shandong Shanfang Electromagnetic/China
Shandong silicon new materials Co., LTD./China
SHANDONG WELLDONE ENVIRONMENTAL/China
Shandong Wintech Technology Co., Ltd./China
Shandong Zhongjie Pressure/China
Shanghai I&G Co., Ltd/China
Shanxi Donghuang Wind Power/China
Shanxi Fenglei Drilling Tools Co., Ltd./China
Shanxi Guanli Flange Co., Ltd./China
Shanxi Guanxin Forging Co., Ltd./China
Shentuo (Beijing) Science & Technology/China
Shijiazhuang DiBo Petroleum Machinery/China
SHINDA(TangShan)/China
SI CHUAN YONG GUI TECHNOLOGY CO.LTD/China
Sichuan Kexin Oilland Internat.Co., Ltd./China
Sichuan Kunlun Petroleum/China
SICHUAN OILMAN MACHINERY CO., LTD/China
Sichuan Vacorda Instruments/China
Sichuan Zhongman Electrical/China
Soloon Electronics/China
Special Valve Jiangsu Fluid Machinery/China
SUNLEEM Technology Incorporated Company/China
Suzhou Dafang Special Vehicle Co.,Ltd/China
SuzhouOntopMechanical/China
Teji Valve Group Co., Ltd./China
TIANJIN NITHONS TECHNOLOGY CO.,LTD/China
Tianjin Pumps & Machinery/China
TIANJIN SHIHONG PIPELINE CO.,LTD/China
Trust Valve (Jiangsu) Co., Ltd./China
Weifang Sheng De Petroleum Machinery/China
WENZHOU FUJI VALVE CO., LTD/China
Wuhan Linmei Head Plate Co., Ltd/China
Wuhu Jiahong New Material Co., Ltd/China
WUXI BEILAI PIPE CO.,LTD./China
Wuxi Hengtong Petrolic Machinery/China
Xiamen Beryllium Copper Technologies Co./China
Xi'an Kosun Machinery Co., Ltd./China
Xi'an Tiptop Machinery CO., LTD./China
Yada Pipeline System Co., Ltd./China
Yantai Jereh Oilfield Services/China
Zhejiang Boutique Valve Co., Ltd./China
ZheJiang Camp-shinning New Material Co.,/China
Zhejiang Dewei Stainless Steel Pipe/China
Zhejiang Hengnuo Valve/China
Zhejiang Lanfeng Machine Co. Ltd./China
Zhejiang Lianjie Electric Co., Ltd./China
ZHEJIANG OUMING FLUID CASTING/China
Zhejiang Tormin Electrical Co., Ltd./China
Zhejiang Zhenxing Petrochemical/China
Zhengzhou Jinshi Machinery Co., Ltd./China
Zhengzhou New Asia Superhard/China
Zibo Hailan Chemical Co. Ltd./China
Zibo Hongrun New Material Co., Ltd./China
Zibo Yinghe Chemical Co., Ltd./China
Zigong Zhongxing Wear-resistant/China
AO -̻/Russia
Klaus Union GmbH&Co.KG/Germany
, //Germany/Russia
, /Russia
, /Russia
, /Russia
Shuttle International Logistics LLC/Russia
, /Russia
, /Russia
, /Russia
, //Germany/Russia
, //Germany/Russia
Pietro Fiorentini S.p.A. // Russia/Italy
, //Germany/Russia

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-2018

-2017

-2016