Dachang Instruments Co., Ltd. is established in 1997. We concentrate on various testing instruments, and the qulity has been approved by customers. For the reason of extending market share and customer service,we started 'Cometech Testing Machines Co., Ltd' to provide a complete service. 　Cometech is a company for testing instruments with own design and production department which is very different from other companies who assign their design and product to others. With a long time go into this area, Cometech products has been with a fine appearance and high precise construction. 　Through an experienced team, Cometech develops software and indicator and can provide a instant solution for customer. They can be standards and can be specified by customer's requirement. Because of the insistance of quality, Cometech has been a leader in the field of testing machines. 　To meet the change of the age,the machines provided by Cometech keeps upgrade to a competitive price without compromising in quality. Such as B and C series universal testing machines, offer a PC connection to extend data analysis function. As a completely made and designed by Cometech, the machines have been indicated with a flexible and modifiable property. This will easy further requirement and save money. 　To sale on honest and professional suggestion to customers are two faiths of Cometech. A complete instruction will give an entire information for best suitable and saving purchasing reference. Test in advance is also practicable. This will help customers to see how machines work. After sale service is also quickly respond by service groups to get up to your production schedule.