久久另类视频,婷婷国产在线视频,啪啪啪短片在线观看,亚洲日韩骚女邻居,不卡免费视频一二三区,91在线久久,亚洲成人在线播放,男人天堂无码视频,青青草国产精品视频

Prohexadione calcium raw material of Zhengzhou Zhengshi Chemical Co., Ltd passed the equivalent registration evaluation in the European Union

Established in 2001, ZHENGZHOU ZHENGSHI CHEMICAL CO., LTD (ZS-CHEM) is enterprise with research, development, production and sales of agrochemicals, is National Authorized Pesticides Production Enterprise and High-Technology Enterprise. Our company has an office area of 1,700 square meters and factory area of 5,000 square meters.

As a National Authorized Pesticides Production Enterprise, ZS-CHEM own 10 technical registrat including 28-homobrassinolide 90%TC, Diethyl Aminoethyl Hexanoate 98%TC, 1-naphthyl acetic acid 87%TC， 4-indol-3-ylbutyric acid 98%TC, 6-benzylamino-purine 99%TC, 24-epibrassinolide 90%TC and Prohexadione Calcium 92% TC, have 67 pesticide formulationregistrations in China, and more than 10 pesticides technical’s Independent Intellectual Property Rights and Production Technology. ZS-CHEM is an earlier company who passed ISO9001:2008International Quality Management System Certification and ISO14001:2004 EnvironmentalManagement System Certification in Pesticide Industry and Alibaba.com certified supplier. Prohexadione calcium won the First Prize of scientific and technological achievements and SecondPrize for Science and Technology Progress in Henan Provence.   

Focus on plant growth regulators, innovating agrochemicals. From Established to now, we focus on plant growth regulators For 20 years. ZS-CHEM insist on building the R&D and production base of plant growth regulators in China, created a specialized brand centered on plant growth regulators In China's agrochemical industry.