BWD was established in2018 as a joint venture between Qidong blue Diamond Products Co., Ltd and South Korea's WINDIA TECH Co., Ltd.

Innovation Plastic Industry Co., Ltd, also known as Innovation Glasses Case Manufacturing Co., Ltd. It is located in the biggest eyewear manufacturing base, Danyang City, Jiangsu Province.

Taizhou Langchi Glasses Equipment Co., Ltd established in August, 1996, is a member of China OPTOMETRIC AND OPTICAL ASSOCIATION.

Shenzhen AIST Industrial Co., Ltd. Is one of the professional manufacturers and traders of ophthalmic equipment and optical instruments in China. We have more than ten years of manufacturing and sales experience in optics and ophthalmology in China. We have been manufacturing and selling Slit Lamp, tonometer, Retina Camera, Fundus camera & FFA, Ultrasound (A scan, AB scan, Pachymeter, Biometer & Pachymeter), Auto Perimeter (Vision Field Analyzer, Projection Perimeter), Phasco Emulsifier, Corneal Topography, Ophthalmoloscope, Retinoscope, Operation Microscope, Visual Electro System, OCT, Auto refractometer, Auto Ker-Refractometer, Auto Lensmeter, Auto Phoropter (view tester), Chart Monitor, Near Vision Tester, Combined unit (combined stand and chair), Keratometer, Trail Frame, Trail Lens Set, Auto Edger and so on. We also manufacture and provide different glasses accessories, such as sunglasses display rods, optical frames suitcase bags, nose pads, glasses cases, glasses cables, glasses screws, screwdrivers, pliers and cleaning cloths...Our company has always focused on improving manufacturing technology and product quality. Our products have obtained CE certification, and some of them have obtained FDA certification. We not only provide customers with the best products, but also provide the best quality service. We provide 1-3 years of quality assurance and competitive prices for all products, free online training and technical support, and satisfactory after-sales service. Our wish is to provide every customer with the best quality and the most favorable price, so that every customer can enjoy our sincere cooperation.

Lianyungang YiLian International Trade Co., Ltd founded since 2005. We have rich experience in exporting and importing all kinds of optical products and devices, all kinds of suitcases or bags. We can supply high quality products, good service and competitive price so we can meet with customers trust and demands easily.

Nanjing Redsun Optical Co., Ltd. is a professional manufacturer and distributors in the field of optical lens and ophthalmic instruments. Our company locates in the beautiful city of Nanjing in Jiangsu province. Nanjing is only 300km from Shanghai, Nanjing is the center of politics, economy, culture of Jiangsu. There wre 6 dynasty capitals in Nanjing city.

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.

The Jinruixin Machinery Factory located in LunJiao town, is a famous enterprise based on professional technology and good service. Our products have reliable quality, stable system and precise processing.