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- Germany DEUTZ Guangdong Province only service agent
- proxy certificate
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- Japan's Kubota Corp authorized Guangdong regional service agent
- proxy certificate
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- China Hall Seth Wuxi Guangdong area turbocharger agents, repair station
- proxy certificate
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- (YANMAR) engine (Shanghai) Co., Ltd service agent
- proxy certificate
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- Berg Warner turbocharger products distributor
- proxy certificate
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- Parker Hannifin oil-water separator products distributor
- proxy certificate
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- China Chongqing Fuel Injection System Co Ltd authorization certificate
- proxy certificate
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- Chinese Industry Association awarded the outstanding membership
- proxy certificate