Addr：Room 611, 6th floor, building 1, No. 13 yard, keyuan road, Daxing District, Beijing, 102600
Mail：kwchem@vip.163.com
Phone：+86-10-69253956
Copyright ©2024-2025 Beijing king-ways Cheno Technology Co., Ltd.All rights reserved. Products protected by patents are not offered for sale in countries where the sale of such products constitutes patent infringement and its liability is at buyer's risk.
Samples of products under patent can be supplied only for R&D purposes. 京ICP2024078043
