About US
- Gansu Constar Technology Group Co., Ltd.
- Contact Lenses Factory
Company Introduction
With a legacy of 41 years since its establishment in 1984, Constar has remained deeply committed to the eyewear sector. We provide global partners with a comprehensive one-stop solution encompass product sourcing, warehousing, logistics, and packaging. winning the trust of customers across four continents and more than 40 countries.
As one of China’s largest independent manufacturers of colored contact lenses, Constar proudly owns six modern production facilities, including:
Hunan Duofuli Optical Technology Co., Ltd.
Hunan Haipuming Technology Co., Ltd.
Hunan Liangguo Technology Co., Ltd.
Gansu Tiahou Optical Technology Co., Ltd.
Gansu kangshili Contact Lens Co., Ltd.
Gansu Constar Technology Group Co., Ltd.
At Constar, we listen attentively to our customers, valuing their feedback as a key to continuous growth and improvement. Our mission is to enhance global eye health, beautify vision through our premium lenses, and build a brighter future for both the company and our people.
Source Factory
The company has two modern production bases, located in Baiyin City, Gansu Province and Hunan Province. The two bases are equipped with advanced production equipment and complete production facilities to meet the needs of large-scale production. Among them, the Gansu base is located in the Yinnan Industrial Park of Baiyin National High-tech Industrial Development Zone, with a superior geographical location and convenient transportation, providing convenient conditions for raw material procurement and product transportation.
Constar Technology Group has a large production scale, with more than 1,700 employees and a total area of 376 acres. The company has an internationally leading fully automated contact lens production line, mold production line and quality inspection equipment. Its main products include Class III sterile medical devices (contact lenses and their care products), disposable sanitary products, injection molds and pharmaceutical packaging materials. The company has a huge annual production capacity to meet the needs of global customers.
Kangshida Technology Group has invested heavily in technology research and development and has a number of independent intellectual property rights and patented technologies. The company has achieved independent innovation from mold research and development design to contact lens finished products. Many technologies have filled the gaps in the domestic industry and reached the international leading level. In terms of quality control, Kangshida Technology Group adopts a strict quality management system, including laboratory double audits, production line supervision and inspection, and 17x magnification surface defect detection. The company has passed a number of international certifications such as CFDA, EU CE and ISO13485 to ensure that product quality meets international standards.
Kangshida Technology Group has a complete supply chain system that can quickly respond to customer needs. The company is able to provide customers with one-stop services from design, manufacturing to sales. With advanced technology and equipment, Kangshida Technology Group is able to provide customers with more than 3,000 customized options and meet customer personalized needs with the lowest minimum order quantity (MOQ). In addition, the company also provides customers with market support to help customers establish and enhance brand awareness.
Kangshida Technology Group’s products are popular worldwide and have thousands of global customers. The contact lenses and care products produced by the company cover a variety of usage cycles such as annual, daily and monthly, as well as various effects such as natural beauty contact lenses and role-playing contact lenses. With high-quality products and services, Kangshida Technology Group has won high recognition and trust from customers.
Corporate Honors
• The company is a postdoctoral innovation practice base, a provincial technology center, an industrial design center, a national high-tech enterprise, an intellectual property advantage enterprise, a standing director unit of the Gansu Trademark Association, and a green factory in Baiyin City. It has been recognized as an AAA-level credit enterprise for many consecutive years.
• In 2020, Chairman Tang Shunchu was awarded the title of “National Model Worker”, and the company established a model worker innovation studio. In the same year, it won the “Industry Innovation Contribution Award” from the China Optical Association.
• In 2021, it was recognized as a national key specialized “little giant” enterprise, and in 2022 it won the Baiyin Municipal Government Quality Award.
• The company has 135 authorized patents (including 7 invention patents, 108 utility models, and 20 appearance patents), 432 registered trademarks, and the “Kangshida” trademark is a well-known trademark in China.
Development History
- 2025 to the futureThe expansion of the contact lens production base in Yinxi Industrial Park, Baiyin City, is scheduled to be completed in 2029. After completion, it will become China's largest research and production base for colored contact lenses and ophthalmic care products, forming an innovative enterprise and impacting the world brand.
- 2022 to 2024Pass the EU CE certification, realize independent research and development of technology and equipment, and become a large-scale contact lens manufacturer in China.
- 2019 to 2021Cooperate with universities to establish a research center and obtain "Little Giant" enterprise certification.
- 2008 to 2012Construction of modern factory in 2018. Constar Group established in 2012.
- 1984 to 2007It started as an optical shop in Baiyin City in 1984. In 2007, a factory was built to produce contact lenses.
