久久久久国产精品aⅴ天堂,成人性生交A片免费直播APP ,男女扒开双腿猛进入爽爽免费,日本JAPANESE少妇高清

Jiangsu Heng'an Chemical Co., Ltd. is situated in New Materials Industrial Park, Huai'an City, Jiangsu Province. The floor area is 40,000 sq. m. Heng'an is a high-tech enterprise owning self-managerial import and export rights. It mainly engages in producing pharmaceutical intermediates and pesticide intermediates. Heng'an successively passed the ISO9001:2008, ISO14001:2004 and OHSAS18001:2007 certifications in 2013.

Following the market demands, Hengan has been striving to get development by adopting leading technologies and survival by producing excellent quality. Up to now, we have had experienced technicians, complete production equipment and leading inspection instrument, and established close cooperative relationships with universities and institutes of China. Now, our products are well sold in EU, USA and Southeast, etc, and customers are highly satisfied with our products and service!

Quality and service are number one priority to Hengan, we sincerely welcome your business and visit. Let's work together for bright future!