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We, Master & ZEUS Automobile Co., are one of the leading auto diagnostic tools manufecturer in China. MST-1 universal  scanner, MST300 code reader, MST 9000 ECU simulator, Engine Fuel System Tester EFI2100 and MST8000 battery analyzer are invented by us and we have the patent. Moreover, we produce BMW GT1,  BMW OPS, MB Star, Volvo Dice, Caterpillar ET Scanner, most cables etc. Strong prfessional technical team are available to answer questions and solve problems for clients at anytime. Sincerely hope we could cooperate with you in the near future.