For current time, we have two production factories in Shandong Province. IT بۇ يەر مەيدانى 50 مىڭ كۋادرات مېتىر, ئىشچى بار, قالغان 10 ئادەم بار, بىرى بار, بىرى 150 دىن يۇقىرى ئىنژېنېر. We have established a production line suitable for research, pilot test, and mass production, and established two labs, and one testing center. We test each lot of products before delivery to make sure we provide good quality product to our customer.