Third-party testing organizations to carry out relevant inspection and testing services, you need to obtain the relevant qualifications before you can, that is, can only be engaged in qualification recognition within the scope of services, such as some customers need CMA, CNAS qualifications, some customers need CE certification qualifications, etc.. In addition, many companies now support door-to-door delivery of samples or express mail samples, in fact, to find a professional organization is more important than having to look for a local agency, China Science and Technology Testing in many parts of the country have branches and offices