Transparent glass dome used for lamp cover
The lamp cover is made of high borosilicate glass 3.3, with good transparency, high precision dimension and good annealing. It will not crack if punched with holes.

Beijing Zhong Cheng Quartz Glass Co., Ltd. (short for ZCQ) is founded in year 1998, it is a high-tech comprehensive glass processing enterprise integrating R&D, production and sales.

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 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 will be 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.

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.

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.