Qingdao Hengda Zhongcheng Technology Co., Ltd. is based in China and lists industrial chemicals on Global Trade Plaza. The company offers products including 3-Aminopropyltriethoxysilane 919-30-2, 3-Aminopropyltrimethoxysilane 13822-56-5, and 3-aminopropylmethyldimethoxysilane. These silane coupling agents are used to improve adhesion, filler dispersion, and moisture resistance in composites, coatings, adhesives, and sealants. Buyers can send an enquiry through Global Trade Plaza.