China CVD Diamond Supply Chain Directory 01: Upstream Equipment and Components

Wonsen is publishing its China CVD diamond supply chain directory in eight batches. This first batch covers complete deposition systems, microwave power, vacuum, gas delivery, chamber components, automation and equipment services. It contains 33 entities that met the directory’s public-source verification threshold.

Publication notes

• Entries are ordered by collection ID, not by scale, capability or market position.
• Multi-category companies are classified by the principal products visible in current public information.
• The directory is a research index, not technical certification, commercial endorsement or procurement advice.
• Product scope and business status can change; readers should verify details directly before engagement.

Directory

No.	Entity	Supply-chain position	Publicly reported scope
1	Foshan Haiguang Intelligent Technology	A1 CVD systems; linked to C1 jewellery-grade CVD single crystal	CVD diamond materials, lab-grown diamond and CVD diamond deposition systems.
2	Pengcheng Semiconductor Technology (Shenzhen)	A1 CVD systems; linked to C4 diamond and wear-resistant coatings	HFCVD microcrystalline and nanocrystalline diamond-film systems, semiconductor process development, manufacturing and equipment services.
3	Shenzhen Youpulai Plasma Technology	A1 CVD systems; linked to C2 functional single crystal and C3 polycrystalline thick film	MPCVD and HFCVD growth systems, with related single-crystal and polycrystalline process and sample services.
4	Wuxi Yongliang Carbon Technology	A1 CVD systems	MPCVD diamond systems.
5	Wuxi Yuanwenxi Technology	A1 CVD systems; linked to B2 substrates/seeds and C2 functional single crystal	MPCVD systems, CVD diamond plates and seed crystals.
6	Zhengzhou Chengyue Scientific Instruments	A1 CVD systems; linked to C4 coatings	CY-HFCVD400-30KW and other HFCVD diamond-coating systems.
7	Zhengzhou Research Institute for Abrasives & Grinding	A7 equipment modification/service; linked to B5 processing consumables and E2 tooling	Industry equipment and services, custom automation, superhard-material products and consumables for semiconductor cutting, thinning and polishing.
8	CETC Third-Generation Semiconductor Technology Innovation (Hunan)	A1 CVD systems; linked to C3 polycrystalline thick film	MPCVD diamond epitaxy systems and diamond-film growth process development.
9	Edwards Trading (Shanghai)	A3 vacuum and pressure control	Vacuum pumps and systems for semiconductor, industrial and research applications.
10	Chengdu Wenzheng Technology	A1 CVD systems; linked to A7 equipment services and C1 jewellery-grade crystal	Diamond CVD systems and crystal materials, including publicly listed 6-75 kW MPCVD, 50-100 kW HFCVD and DC-arc plasma CVD equipment.
11	Zhejiang Liji New Materials Technology	A1 CVD systems; linked to C2 functional single crystal and C5 functionalised diamond	MPCVD functional-diamond equipment and process solutions, including 10-15 kW systems and related growth, doping and modification processes.
12	Jiangxi Zenghe Technology	A6 automation/software/safety; linked to A7 services	Precision grinding and polishing equipment for diamond, SiC and other hard-brittle materials, with process and sample services.
13	Chengdu Tengliu Optoelectronics	A1 CVD systems; linked to A2 microwave power and A3 vacuum	6, 10, 40 and 75 kW MPCVD systems, microwave power sources, and single- and polycrystalline diamond materials.
14	Zhongke Xinrui (Nanjing) Technology	A6 automation/software/safety; linked to D7 characterisation	Temperature monitoring, control and safety-interlock solutions for MPCVD systems.
15	Beijing Taikenuo Technology	A1 CVD systems	HFCVD diamond-coating and large-substrate diamond-film deposition systems.
16	Chengdu Euler Microwave Components	A2 microwave/RF/plasma power	Microwave power sources, circulators, water loads, waveguide assemblies and coaxial components.
17	Hangzhou Jingchi Electromechanical Technology	A1 CVD systems; linked to E7 semiconductor wafers and C2 functional single crystal	Diamond single-crystal growth and epitaxy systems, material validation, and SiC and AlN crystal-growth equipment.
18	Shenzhen Hengyunchang Vacuum Technology	A3 vacuum and pressure control; linked to A2 RF power	Dry vacuum pumps, valves, vacuum measurement and CSL, Bestda and Aspen plasma RF power products.
19	Tianjin Motai Technology	A1 CVD systems	MPCVD and vacuum-coating equipment, mass-flow controllers and vacuum gauges.
20	Zhejiang Jingsheng Mechanical & Electrical (JSG)	A1 CVD systems; linked to B2 substrates/seeds and E7 semiconductor wafers	XJL200A automatic MPCVD diamond-growth systems, plus SiC crystal-growth and epitaxy equipment.
21	Anhui Jutan Machinery Equipment	A1 CVD systems; linked to A5 chamber components and C1 jewellery-grade crystal	MPCVD observation-window and resonant-chamber sealing structures, complete systems and supporting diamond processes.
22	Beijing Zuowen Technology	A1 CVD systems; linked to D1 laser and profile processing	2.45 GHz 6/10/15 kW and 915 MHz 75 kW MPCVD systems, laser cutters and process-support equipment.
23	Carbon Equation Semiconductor Equipment Manufacturing (Shanxi)	A1 CVD systems; linked to A2 microwave power	6/10/15 kW growth systems, 915 MHz/50 kW MPCVD equipment and processing equipment for large diamond materials.
24	Beijing Sevenstar Flowmeter	A4 gas delivery/MFC/purification	Mass-flow controllers, thermal mass-flow meters and supporting gas-delivery systems for MPCVD equipment.
25	Jinggong Ruiyi Technology (Henan)	A1 CVD systems	MPCVD and HFCVD diamond-growth equipment and supporting systems.
26	Shanghai Boshiguang Semiconductor Technology	A1 CVD systems; linked to C2 functional single crystal	MPCVD synthetic-diamond equipment. Comparative performance statements in company materials have not been independently verified here.
27	Shanghai Dongbei Vacuum Equipment	A1 CVD systems; linked to A3 vacuum and C4 coatings	MPCVD and HFCVD diamond equipment, vacuum systems and process support.
28	Chengde Tiangan Dikun Technology	A1 CVD systems; linked to C1 jewellery-grade and C2 functional single crystal	MPCVD chamber structures, microwave chamber assemblies, main chambers and sample-stage components.
29	Hunan Chenhao Vacuum Technology	A1 CVD systems	Bias-enhanced MPCVD equipment and development work involving diamond films and detectors.
30	Shandong Liguan Microelectronics Equipment	A1 CVD systems	MPCVD single-crystal growth equipment and wide-bandgap semiconductor crystal systems.
31	Chengdu Newman-HR Microwave Technology	A1 CVD systems; linked to A2 microwave power and C3 polycrystalline thick film	MPCVD systems, microwave power sources and diamond thin- and thick-film growth equipment.
32	Zhengzhou Tianhong Diamond Technology	A1 CVD systems; linked to A7 services and C1 jewellery-grade crystal	MPCVD lab-grown diamond systems, process parameters and laboratory planning services.
33	Xi’an Inteske Semiconductor Technology	A1 CVD systems; linked to C2 functional and C1 jewellery-grade single crystal	MPCVD systems, large CVD diamond blanks, and optical and thermal-management single-crystal materials.

Corrections and full-directory access

Companies may submit verified additions or corrections through Wonsen’s contact page. The full commercial directory is currently offered through a Chinese-language storefront; international readers can use the same contact page to ask about availability.

This directory will be updated as public information and verified company feedback become available.