尤物视频污,99热99热99超碰,精品久久久久女少妇,少妇精品无码,日B视屏久久香色,亚洲美女午夜福利av,国产美女被操,国产九九精品,国产久久色情

Located in Yongfeng Science Zone in Jining Jiaxiang Development Park, Jining High Technology Development Zone Yongfeng Chemical Plant is the professional manufactuer for Aluminium Phosphide and Zinc Phosphide in China, and it is the member of Shandong Entomological Academy, with 70,000sqm of lands, and over 280 employees, 38 of them are technicians. We enjoy good location. Established on the basis of high beginning point, high technology and modern enterprise management system, Yongfeng is equipped with leading equipments, technologies and complete inspection facilities, and all production procedures are under the control of computer system. Thus, we have successfully certificated to ISO9000 quality system. Our main products are Aluminium phosphide ( initial powder, 56%min tablets/powder), magnesium phosphide tablets, 80% zinc phosphide initial powder, Aluminium powder (Aluminium dusting & Aluminium pulverizing ), Ammonium carbamate and Pharmaceutical intermediates (Azlocillin, Mezlocillin) and so on, and Yongfeng is receiving a high reputation in the phosphorizing industry of China for extraordinary credit, quality product and excellent service. Now, our products are well sold in China and dozens of countries such as United States, South Africa, Australia, New Zealand, Mexico, Turkey, Russia, Ukraine, Netherlands, Spain, Chile, Thailand, Pakistan, Bangladesh, Nigeria and Zambia, etc. 85% and above of our products are for exports, and our products are being used in most of grain trade, storage and transportation regions in the world. Customers are highly satisfied with our products.

Sticking to such idea of "Technology-led, to get development by good management, and aiming for win-win", Yongfeng strives to be a modern enterprise group with leading technologies, efficient management system and super international competitiveness.

Our director Wang Shuping and all the staff sincerely welcome friends all around the world to have business, technical exchange, cooperation and investment with Yongfeng. Let's work hard for achieving mutual development and creating a bright future together!

All our products are underwritten by PICC.