Dongtao (China) Co., Ltd. is a leading brand in the global sanitary industry, recognized as one of the top ten bathroom and sanitary brands, as well as a top ten washbasin and toilet brand. Established in Japan in 1917, TOTO is a renowned Japanese brand that has grown into a globally respected name in smart sanitary ware. It is also a prestigious Chinese brand, specializing in the professional production, sales, and manufacturing of civilian and commercial sanitary facilities and related equipment. TOTO was founded in 1917 by Mr. Okura and Ms. Ogura under the name Toyo Pottery Co., Ltd. Later, it was renamed TOTO (Toto Machine Co., Ltd.). In 1912, Mr. Okura had already established a laboratory focused on the development of sanitary ceramics. At that time, ceramic sanitary products were widely used in Europe and the United States, but in Japan, wooden toilets were still common, reflecting a stark contrast to today’s advanced Japanese bathroom culture. With the introduction of these innovative ceramic products, TOTO challenged traditional hygiene norms and brought modern sanitation concepts to Japan. Since then, TOTO has remained dedicated to improving hygiene standards worldwide. Dongtao Company specializes in the production and sale of sanitary equipment for both residential and commercial use. The company is committed to delivering high-quality craftsmanship and technology, aiming to provide users with a healthier, more comfortable lifestyle. By focusing on innovation and quality, Dongtao continues to lead in the sanitary industry. With a strong emphasis on sustainability, Dongtao is dedicated to preserving water resources and creating a better living environment. The company continuously develops integrated sanitary solutions that meet the evolving needs of consumers. Through ongoing research and product development, Dongtao expands its market presence and strengthens its competitive edge. Dongtao leverages advanced technologies such as “water and electronics integration†to create cutting-edge sanitary products. These innovations have made TOTO a leader in functionality, reliability, and design. Its product line, based on the combination of water and electronic systems, is considered the best in the industry, setting a benchmark for others to follow. Since its founding in 1917, TOTO has grown from a small pottery company into a global leader in the sanitary equipment industry. Over the years, the company has expanded its production lines to meet increasing demand and technological advancements. Today, TOTO Corporation stands at the forefront of the industry, providing high-quality, high-tech sanitary solutions for both civil and commercial sectors. The company remains focused on continuous improvement, striving to maintain its leadership in the ever-evolving market. Dongtao's mission is to deliver superior quality and advanced technology, ensuring that users can enjoy a healthier and more comfortable life. The company is deeply committed to environmental protection and sustainable development, working tirelessly to enhance the quality of life through innovative sanitary solutions. We can manufacture various shape and special material optical lens.The coating for lenses not only the normal BBAR coating,but also including dichroic coating and super broad band antireflective coating. Plano-Convex (PCX) Lenses have a positive focal length, making them ideal for collecting and focusing light in imaging applications. They are also useful in a variety of applications involving emitters, detectors, lasers, and fiber optics. Coated versions have optimum light transmission. Available in a wide variety of diameters and focal lengths. The coated lenses can be utilized in a host of optics and photonics applications, including biotech instruments such as DNA sequencers and polymerase chain reaction (PCR) testing platforms.                    Plano-convex Spheric Lens  Specification of our plano-convex spherical lenses as follow: Plano-Convex Spherical Lens,Plano-Convex Lenses,Plano-Convex Lens Kit,Inked Plano-Convex Lens China Star Optics Technology Co.,Ltd. , https://www.csoptlens.com
The uncoated lenses are ideal for a multitude of optics and photonics applications, as well as biotech instruments such as DNA sequencers and polymerase chain reaction (PCR) testing platforms.
*Material:Bk7,fused silica,CaF2,MgF2,BaF2,ZnSe infrared optical crystals.
*Focal length:+/-1%
*Length tolerance:+0.0 - -0.1mm
*Width tolerance:+0.0 - -0.1mm
*Center thickness tolerance:+/-0.1mm
*Surface Figure:lambda/2 at 633nm on plano side
*Surface quality:60-40 stratch/dig
*Clear Apenture>90%
*Chamfer:0.25mm at 45 degree typical
*Coating:optional