Mary values quality as our lifeline. From the raw material testing to manufacturing, assembly and aging test, we carry out every step one by one according to ISO9001:2000 international quality control system strictly to guarantee the quality.Our company is CE certified and ROHS Compliant.Our prices are very competitive based on mass production sales due to our OEM service, thus we have the honor to work for hundereds of customers in over 400 cities of 33 provinces in China, and we also have built long-term business relationship with the customers in USA, Germany, Korea, Poland, Italy, Mexico, Chile, Turkey, Vietnam, Israel, India, Pakistan, Kuwait, Iran, Romania and so on.