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Technology transfer, technology development, chemical masking agents. Beijing Huaxia Keyan Technology Development Center is a high-tech company specializing in technology development, technology transfer, technology training, technical consultation, and technical services. It boasts a team of full-time and part-time senior technical talents. Over the past decade since its establishment, the company has collaborated with the China Association of Senior Scientists and Technicians, Beijing Qianqiu High-Tech Company, and senior experts, professors, and engineers from several universities in Beijing to form expert groups in adhesive technology, coating technology, surface treatment technology, waterproofing technology, and waste utilization technology. Particularly in the field of new environmental protection chemical technologies, it has provided high-quality technical services to nearly a thousand small and medium-sized enterprises across the country, generating significant economic and social benefits and earning widespread acclaim.