Qingdao Qingchi Intelligent Technology Co., Ltd. is a company engaged in the design, development, processing, manufacturing and sales services of dry-mixed (powder) mortar production lines, special mortar production equipment, putty powder production lines, gypsum mortar equipment and mortar construction equipment. National patent and officially registered trademark.

Shenzhen Sunwind Energy Tech Co., Ltd (Dongguan Branch "Liangmi") is a professional high-tech enterprise specialized in Lithium battery research and development, production and sales, committed to building a famous brand in the battery field. We are one of the leading manufacturers in China which have professional battery decoding technology with 19 years of industry experience. Strict quality control system, accurate product positioning, innovative&unique and diversified sales channels, which make our products have a huge market potential. Our company has production base in Hubei province and Dongguan city. Our battery widely use on Mobile phone, Tablet, POS machine, E-cigarette, Bluetooth headset, Wearable and communication equipment and other electronics. Our high technology, superb quality and competitive price with excellent customer service have gained a very good reputation and consistent recognition from our customers.

Nanjing Blue Sky Filter Co., Ltd. Was founded in 2009. Blue Sky manufactures and sells various types of air filters and has expanded the product range to water filtration products, kitchen filtration products, and automotive filtration products etc. The company's products are exported to international markets of 48 countries.

JIAYUNLAI is guided by the business philosophy of "speed and passion, quality first", We are increasingly aware of the pain point and thedemand of the non-standard industry--timelinessof leadtime and low cost of samples. BY has introduced advanced CNC prototype machine from Germany, we can achieve one day for samples and saving openning mold, the flatness up to 0.02mm, tolerance up to 0.01mm.