Shandong Xinda Luxin Waterproof Materials Co., Ltd., nke dị na Weicheng District, ewepụtala aha ya maka ọwara mmiri mbụ dị na China - Xiamen Xiang'an Underwater Tunnel Project. Maka afọ 28, ọ lekwasịrị anya na nyocha na mmepe nke ngwaahịa na ọrụ na-egbochi mmiri polymer, jiri nwayọ na-etolite n'ime onye ndu na ngwaahịa mkpuchi mmiri polymer na China.