Shanghai hynote import & export Co., Ltd. (the hereinafter is referred as hynote) established in pudong new area of Shanghai, is a comprehensive trading company by experienced personnel Chinese r&d institutions and gas industries, focusing on electronic gas, special gas and chemicals.

With our suppliers on raw materials and final products, we enjoy a very strong position to supply our customers a wide spectrum product in very competitive price and thorough service.

The plant is located in luoyang, henan. Our products include: R1150, C318, R23, R41, R116, R161, R125, R1349, R14, SF6, ETO gas mixture, silane, R290, R600a, R508B, R1270, silane, silane mixture, high-purity propane, hellium, kr, eto mixture, ethylene and so on. With the advanced analysis apparatus and technology imported from USA, we could analyze and strictly control the quality of our final product. Hynote has successfully exported products to USA, Japan, Korea, India, Indonesia and Taiwan area, and has been a qualified supplier of local Chinese manufacturers.

We have built up good relationship and partnership with some famous gas company worldwide such as praxair, air gas and specialty chemical produsts. One of our main strength is our good relationship with Chinese chemical r&d institution and oversea market so we could integrate the two power wings together. We have cooperated with research institute domestic and oversea customer utilizing their technology and gas resource successfully developed and marketed several new gas products to meet our customer requirement.