Siemens group of Germany
Akzo Nobel Chemistry Co., Ltd.
Red Castle Wine Co., Ltd.]
Libei glass co., ltd
Stanley fashion system co., ltd.
Korea LG GROUP (LG Group)
Weiyite Automobile System (China) Company (Weiyite Automobile System (China) Co., Ltd.)
Lucas Varity Langzhong Brake Co., Ltd..
Marini-Prima Machinery Co., Ltd.
GEA Group of Germany
Cincinnati lamb machinery co., ltd.
Willows (China) Co., Ltd.
Sinoco chemical co., ltd
Bhp Billiton steel company
Terui trading co., ltd
EPRI Toshiba atomic energy co., ltd. electric research institute.
Castel Changyu wine co., ltd
Youyi Electrics (China) Co., Ltd.
Jinweili photoelectricity co., ltd.
Enex Kitchenware (China) Company (Enex (China) Co., Ltd.)
Sweden sandvik (China) Co., Ltd. (sandvik (China))
Tianlong Saw Blade (China) Co., Ltd. (China).
Huasheng fushida elevator co., ltd
Deberdt si mining technology co., ltd.
Midland brake installation co., ltd.
Japan coating co., ltd
Log (unika &; NCC) machinery and engineering; Tools Co., Ltd.)
Japan zhongben co., ltd
Avic fokker co., ltd.
Jixinqi spring products co., ltd
Heavy machinery xinxing industrial company
Yuan frank co., ltd
Best electronics co., ltd
nine bell Science &； Technology co., ltd)
Olian foods co., ltd
Riqing COFCO foods co., ltd
Xinlei tomato products co., ltd
Singapore RH international private limited
Wei sams Coating Co., Ltd. (Wei sams Coating Co., Ltd.)
Siweili Packaging (China) Co., Ltd.
Ma Shuang foods co., ltd
Hongbao winery co., ltd
CIMC Jinmilan Coffee Co., Ltd.
Duoyuan electric group
Guo Rui electronic material co., ltd
Biupe nanometer measurement &; Control Limited)
China Oil and Gas Pipeline Company
New materials co., ltd.)
China petroleum building materials company
United lubricants co., ltd.
China petroleum polyurethane co., ltd
Atomic coating co., ltd
Tota kitchen co., ltd
Shoujiao Aerospace Machinery Company Aerospace Metal Bellows Factory.
Zhou Lin biology spectrum company
Liren electrics co., ltd. (Liren electrics co., ltd.)
Tian Yuan Electronic Industry Co., Ltd.
Hebei Huarui Import and Export Corporation (Hebei Huarui Import &; Export company)
China Unicom co., ltd. Langfang branch
Gongniu special chemicals co., ltd
* * * China Youth Science Park China Communist Youth League Central High-tech Development Center and Communist Youth League Central High-tech Industry Development Center.
China Petroleum Longhui Automation Engineering Co., Ltd.
Jin Rui gunning manufacturing co., ltd
Quanxing industry co., ltd
Huawei technology co., ltd. north scientific research and industrial base.
ZTE Corporation North Scientific Research Industrial Base
Oute coating co., ltd. (Oute coating co., ltd.)
Korea Yongchang Chemical Industry (China) Co., Ltd. (YC Chemistry (China), Korea)
Beijing Foreign Enterprise Contact Club Center