About Tengyu Chemical (Longkou) Co., Ltd: Your Trusted Sealant Solutions Provider

Kingwit New Material Technology Co., Ltd., and Longvictor Chemical (Qingdao) Co., Ltd. are redefining the sealant industry through sustainable innovation, delivering high-quality, eco-friendly, and cost-competitive solutions for B2B clients worldwide. With a presence in 60+ countries across Europe, the Middle East, and Southeast Asia, we prioritize customer-centric services, offering end-to-end support—from custom formulation, rapid prototyping, and localized logistics to 24/7 technical guidance.

Kingwit New Material Technology Co., Ltd. was established to break through the shackles of the existing sealant technology. The aim is to create a more cost-effective new material sealant.
Address: Building 11, Huawei Big Data Industrial Park, Dongjiang Street, Yantai, Shandong, China.

To drive cutting-edge innovation, we launched Longvictor Chemical (Qingdao) Co., Ltd in 2020, focusing on aerospace and automotive-grade sealants through university collaborations, delivering high-performance, extreme-condition solutions.
Address: Room 1818, Tower3, Excellence Century Center, Qingdao, Shandong Province.

We offer diverse sealant solutions and prompt 24-hour service.