北京正元化学科技有限公司

北京正元化学科技有限公司

• 供应商类型：生产商
• 国家/地区：中国

Beijing Zhengyuan focus on natural product extracts content of active substance / purity testing; vitamins, minerals, oil, protein, carbohydrate, amino acids, phospholipids, enzyme components, such as health care products detection and analysis, research and development. 更多