Yuanyang AdhesiveIndustry Co., Ltd is the one of largest silicone sealant factory in China. Locating in Weifang city, Shandong province. Sinolinking covers over 200, 000 sqms, and are able to provide more than 200 containers for clients a year.With well-equipped testing facilities and strong technical force . Despite of all the successful experiences, we have never stopped our steps in improving our technology and service. We send our warmest welcome to all our business partners around the world to come and visit us at any time of convenience.