OPTOLONG asked the quality department in strict accordance with the inspection plan and inspection procedures to spot-check product,in order to ensure the high quality of products.Although customers in the recognition of company quality control system, they also put constructive suggestions to OPTOLONG.Customer's visit, can reflect the competitiveness of the company, customer recognition was a driving force for the company, the customer's problem promote the company's growth.

On November 6, 2014, the South Korean clients to visit our company.Astronomical photography interest in South Korea is widely popular.Play tired DSLR, music and other common recreational projects, south koreans are now keen to study astronomy, is comparative studies for astronomy, which stimulated the development of astronomy in South Korea.OPTOLONG always take care of customers well timely, pick up every time, considerate accommodation arrangements and professional factory visit on process to win customers praise.