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Operation training : 
Providing free operation training for solids control ,downhole motors, and MWD system etc at first cooperation ;
Technical supporting :
We will contact relative clients at once and guide operators to resolve problems if we receive the request of technical support from clients ;
24 hours technical support time  , Tel : 022-60978800 ;
On-site service :
Please feedback to our sale if you need engineers to resolve problems ,we promise that we will arrange professional technical staff to prepare as soon as possible for resolving problems ;
Customers following : 
we will visit customers  regularly  and supervise running condition  of equipments  also provide proposal of maintenance ;
Technical exchange :
Sending  engineers regularly for technical exchanging ,provide perfect service .
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