TENGYU 
SEALANTS SOLUTION EXPERT
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.
TENGYU CHEMICAL (LONGKOU) CO.,LTD.
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.

Shandong Kingwit New Material Technology Co., Ltd.
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.

Longvictor Chemical (Qingdao) Co., Ltd.
To drive cutting-edge innovation, we launched Longvictor Chemical (Qingdao) Co., Ltd in 2025, 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.
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Tina