人人玩夜夜操 热久久中文字幕 国产婷婷综合网 日韩无码国产一区

Shandong Dinghao Biotechnology Co., Ltd. specializes in R&D, producing and selling biotechnological products, APIs, intermediates and fine chemicals. Our plants are situated in Shandong, Shanxi, Jiangsu and Gansu.

The company implements standardized management based on "institutionalization, processizing, digitization and humanization", and takes "harmonious coexistence and happy work" as the team vision; with the core values of "achieving customers, enriching employees, rewarding shareholders and benefiting society", we pay attention to brand building and technological innovation, and maintain long-term cooperative relations with many universities in China.

Adhere to the principle of keeping improving on quality management, we own complete testing facilities and professional technical team. At present, the company maintains good and stable cooperative relationship with many large pharmaceutical and chemical companies in the domestic and overseas, enjoys excellent customer satisfaction.