High Borosilicate Glass Tube For Laboratory Glassware Lab Glassware

Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10⁻⁶ K⁻¹ at 20 °C), making them more resistant to thermal shock than any other common glass. Such glass is subjected to less thermal stress and can withstand temperature differentials without fracturing of about 165 °C (297 °F). It is commonly used for the construction of reagent bottles and flasks as well as lighting, electronics and cookware.

Rich experience in quartz glass industry
We have more than 25 years industry experience in quartz glass processing. We specialize in quartz glass capillary tubes and rods, quartz glass substrates, CNC machined quartz, and quartz instruments etc. According to product application, we have good grasp of material properties and adapt the proper material into product application.

Strong technical force in processing and application
Beijing Zhong Cheng Quartz Glass Co., Ltd(ZCQ) is a high-tech manufacturer specializing in the production and customization of quartz glass products and optical glass products. We has excellent technical strength, strong innovation ability and stable product quality. Our processing method is rich, drawing of glass, cold and thermal processing, micro size machining, high precision and difficulty process, combination of multiple processing methods, which guarantee that our product is excellent in all aspects.

Integrity and Quality Assurance
We are well known in quartz glass industry. Quality is the lifeline of enterprise survival and development. Integrity is the source of enterprise reputation, the foundation of standing and the foundation of development. Through unremitting efforts and continuous improvement, we have created a good manufacturing platform of optical glass for customers.

Yantai ZK Optics Co., Ltd., is founded in year 1998, it is a high-tech comprehensive glass processing enterprise integrating R&D, production and sales.

The product sales have been spread all over the world, and are trusted by users in Asia, Europe, the United states, South Korea and India. It has established a high-quality product image and brand in the field of glass deep processing.

The company specializes in the custom processing of various optical glasses, including glass capillary tubes / rods, shaped glass tubes / rods, laser cavity filters, optical fiber quartz end caps, quartz parts, quartz plates and quartz instrument etc.

Products are widely used in semiconductor, communications, solar energy, electronics, optics, optical fiber, aerospace, military, chemical industry, coating, medical treatment and many other high-end industries.

The company is located in Beijing, the capital of China, and it has a large production base-Laiyang Zhong Cheng Quartz Glass Co., Ltd. In Laiyang, Shandong province which covers an area of 20,000 square meters. In year 2020, in order to expand the scale of production, the factory was expanded by 8,000 square meters, and it is expected to be put into use in year 2021.

The company takes product quality as its tenet. Each product is strictly controlled from material selection, processing, inspection, packaging, transportation to after-sales service. With technological innovation as the driving force, a large-scale and systematic production model has been formed.

Adhering to the service concept of the quality first and customer-oriented, through unremitting efforts and continuous improvement, ZCQ has created a good manufacturing platform of optical glass for customers.