Huangshi Sunshine Optoelectronic Competitors and Similar CompaniesClear all

Diamond's competitors and similar companies include FiberQA, Pacific Quartz and Tengjing Technology.

	Diamond Diamond is a company that manufactures and develops fiber optic components and assemblies.	FiberQA FiberQA is a company that develops and manufactures robotic fiber optic inspection and integrated cleaning systems.	Pacific Quartz Jiangsu Pacific Quartz (江苏太平洋石英股份有限公司) is a manufacturer and supplier of high-purity materials.	Tengjing Technology Tengjing Technology (腾景科技股份有限公司成) is a company that manufactures and sells precision optical components and optical fiber devices.
Founding Date	Founding Date 1958	Founding Date 2012	Founding Date 1992	Founding Date 2013
Type	Type Private	Type Subsidiary	Type Public	Type Public
Tags	Tags Manufacturing & Industrial electronic components electronics fiber optic	Tags Manufacturing & Industrial electronic components fiber optic robotics	Tags Manufacturing & Industrial advanced materials fiber optic	Tags Manufacturing & Industrial electronic components fiber optic
Locations	Locations Losone, CH HQ Leinfelden Echterdingen, DE Billerica, US Chelmsford, US	Locations Old Lyme, US HQ	Locations Lianyungang, CN HQ	Locations Fuzhou, CN HQ
Employees	Employees 350	Employees 811% decrease	Employees 1,939	Employees 1,20818% increase
Valuation ($)	Valuation ($) N/A	Valuation ($) N/A	Valuation ($) 2.3 b	Valuation ($) 606.7 m
Financial
Revenue (est.)	Revenue (est.) N/A	Revenue (est.) N/A	Revenue (est.) ¥948.7m (FY, 2025)	Revenue (est.) ¥579.3m (FY, 2025)
Cost of goods	Cost of goods N/A	Cost of goods N/A	Cost of goods ¥659.2m (FY, 2025)	Cost of goods ¥367.6m (FY, 2025)
Gross profit	Gross profit N/A	Gross profit N/A	Gross profit ¥334.4m (FY, 2025)	Gross profit ¥213.5m (FY, 2025)
Net income	Net income N/A	Net income N/A	Net income ¥146.9m (FY, 2025)	Net income ¥74.5m (FY, 2025)