Sinowon Innovation Metrology Manufacture Limited (referred to as: Sinowon), ISO9001: 2015 certified enterprise, Guangdong Province contract-abiding and trustworthy enterprise. The company is located in Tian'an Cyber Park, Nancheng District, Dongguan City, and its holding subsidiary, Sinowon (Guangdong) Innovation Metrology Manufacture Limited. (referred to as Guangdong Sinowon). The manufacturer is located in the high-tech industrial park of Tangxia Town, Pengjiang District, Jiangmen City, Guangdong, China, the transportation is convenient, and the logistics are well-connected.

Shanghai MSS established in 2018. We are an enterprise with import and export trade as its main business. The company is devoted to Optical products R&D and sales such as industrial microscope, camera, lens, illumination and so on. We have unique experience and efficiency in many fields such as Factory product inspection, industrial vision, industrial automation. According to customer's specific needs and personality ideas, we can suggest and make it best choice of product or plan for them. Both hardware and software, we can help customers or end users solve problems through the price, technical correspondence, replying speed, after-sales service and other links by our Chinese Industry internal supply chain resources accumulated over the years. Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

ROCK IMPORT AND EXPORT COMPANY is a leading and reliable supplier specialized in the low vision products and ophthalmic instruments. With over 15 years experiences in this field, business covers more than 50 countries and states.

TianHeHuiJin TECH., Ltd is a company that integrates R&D, production and sales and is a committed to promoting the development of the internet of Things industry, putting ourselves to clients ' shoes to solve their demands.