Customized Fused Silica Quartz Glass plate transparent + frosted + bores
High precision
Good Thermal Conductivity
Low Thermal Expansion Coefficient
Acid and alkali resistance
Good insulation and high resistance to wear

Electrical Properties

Beijing Zhong Cheng Quartz Glass Co., Ltd. (short for ZCQ) founded in 1998, Beijing Zhong Cheng Quartz Glass Co., Ltd. (ZCQ for short) represents a high-tech supplier manufacturing quartz, optical glass, crystal glass products and molding tools located in Changping District, Beijing, China. Our main customers are from overseas countries and mainland China. ZCQ's products are widely in the lines of semiconductors, electronics, coating, laser, chemicals, medical treatment, spaceflight, optical resources, laboratory research, mechanical equipment and others.

We mainly supply:

1. Quartz Products

2. Optical Glass

3. Crystal Glass

4. Some plastic and metal molding tools

In Type 1 Quartz Glass, we are supplying:

a. Quartz discs, windows, flats, plates, rings, substrates, wafers, fringes, and panels: both in fine polishing, fine grinding or commercial polishing and grinding; in transparent, nontransparent or opaque statuses

b. CNC Quartz components and parts:

Through CNC design and software control, the Quartz parts can be precisely fabricated especially in doing arcs, slopes, slots, spheres, holes and cones, and taking 3D and angle processing in accordance with clients' own designs.

c. Quartz labware made by thermal treatment:

Tubing, apparatuses and various customer-designed labware can be made.

d. Sio2 Targets (Silicon Dioxide Sputtering Targets): as a thin film and composite coating material for vacuum coating:

Purity: Containing SIO2 of 99.95%-99.9999%

Characteristics: High Purity; Low Air Bubble Density; Low Impurity Content

Category: Grains, Wafers, Discs, Panels, Plates, Rings, and Blocks

In Type 2 and 3 Optical Glass, we are supplying:

a. BK7 glass

b. B270 glass

c. F-series glass

d. Float glass

e. CaF2 glass

f. Quartz Crystal

g. Optical Coating (AR, UV Filters)

h. Other various optical materials

Some typical products:

1. High Precision Windows

Dimension Tolerance: plus/minor 0.1mm ~ plus/minor0.01mm

Flatness: fringe ~ fringe /10

Surface Quality: 60/40 ~ 10/5

2. Ultra Thin Windows

Custom-Made Length / Width / OD by Thickness 1mm ~ 0.05mm

3. High Reflective Coating (HR), Anti-Reflection Coating, Protected Aluminum, and Protected Gold

In Type 4 molding tools, we are supplying:

Through CNC design and control, the metal and plastic molding tools and tooling fixtures for customers' mass production of their products, such as aluminum, copper, metal and others.

We welcome clients both in domestic and overseas markets to contact us for an inquiry and friendly collaboration!

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.