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R&D Center
There are 11 senior engineers working in the R&D center of Zhengzhou Defy Company, they specially follow the basic research, new product development and technical support in the field of mining machinery. 

The R&D Department is responsible for developing technology applicable to all drilling rig products, conducting forefront technical research on new products and setting standards; researching vibration, impact, noise, hydraulic technology, power matching and energy saving, new material control systems, creating innovative technologies and conceptive products and building up a network-based special and generalized platform for experiments and tests so as to share general experiment and test results.

R& D Department offers following service :  

1.  Training :  help DEFY sales staffs understand the goods and solve clients' questions online. 

2.   Pre-sale technical consult : technical communication face to face at factory .

3.   After-sale service:   overseas operation training for the workers . 

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