Yilong International Co., Ltd, is a trading company in Beijing, China. We now have 2 factories and one office for international trade. Our factory covers around 30,000 square meters. We get a professional team with more than 100 employees, including experienced engineers and workers. Besides a strong QC team for each lot products, we also termly ask Professional Doctors from CIQ (China Inspection and Quarantine Bureau ) to instruct the production in our factory and test the finished products to...