Shanghai Jun Jing Sai Automation Co., Ltd, its predecessor Shanghai Jun Sai Packaging Machinery Co., Ltd was founded in 2006, was established at the beginning of the main business of the blister packaging equipment manufacturing. 2011 established the "Jun Jing Sai" brand, the product extends to the high-frequency machine, high-frequency plastic fusion machine, blister packaging machine, automatic thermal laminating machine, folding and creasing machine. 2012 Shanghai Jun Jing Sai Chongqing office was established, the office performance is outstanding, in 2013 Chongqing Jun Jing Sai Automation Machinery Co, High-frequency machine, high-frequency plastic welding machine, plastic packaging machine, automatic thermal laminating machine, folding box creasing machine, high-frequency melting machine, plastic sealing machine, cylinder molding machine, etc. In 2012, Shanghai Jun Jing Sai Chongqing Office was established, the office has outstanding performance, in 2013, Chongqing Jun Jing Sai Automated Machinery Co. Ltd. Was established in 2017. The company is equipped with independent high frequency assembly workshop, blister assembly workshop, equipment showroom, sample exhibition area, machining area and separate warehouse. The four factories of JunJingsai have their own strengths: Shanghai JunJingsai as the brand's main force focuses on standard equipment and non-standard customization of plastic machinery in various industries; JunJingsai's second factory focuses on high-frequency equipments for automotive, inflatable, and medical industries; Jiangsu factory focuses on the large-scale equipment projects of full-automatic plastic absorbing machine and thick-sliced plastic absorbing machine; Chongqing factory focuses on the development of plastic machinery market of the industrial bases in the MID-west and west of China with the center of Chongqing area, such as Chongqing, Sichuan, Guangxi, Yunnan and so on. Chongqing factory centered on Chongqing, Sichuan, Guangxi, Yunnan and other industrial bases in the central and western plastic machinery market.

Market share is a strong proof of enterprise strength. Jun Jing Sai product market penetration of the car and boat interior industry, health care industry, blister packaging industry, food industry, electronic and electrical appliances industry, apparel industry, home interior industry, inflatable industry, stationery industry, toys and amusement industry, electronic and electrical appliances industry, sports and fitness equipment.