Longtech Optics Co., Ltd.
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Long Qi Optical Instrument Co., Ltd.
🇨🇳 China
2005101-200 peopleManufacturerEstablished brand
OEM manufacturer
Product customization
Description
Long Qi Optical Instrument Co., Ltd. is a professional manufacturer of high-precision optical components and parts, based in Changchun, China. Established in 2005 by Mr. Quhongjun, a senior engineer with 30 years of experience in optical quality control and cold machining, the company operates a 2,100 square meter factory. With 116 employees, including middle and senior engineers and optical designers, Long Qi Optical Instrument Co., Ltd. specializes in producing various optical planes, prisms, spherical lenses, parabolic mirrors, and cylindrical lenses. Their capabilities include manufacturing high-pixel camera lenses, such as those used in the Shenzhou VI spacecraft. The company is equipped with over 90 sets of machinery and test equipment, ensuring high-class quality and precision, with surface irregularity for high-precision optical planes achieving 1/20 (lambda) at 150mm diameter.
Lens (LQ/V -0807)$3
Camera Lenses
Spherical Lens and Mirror (LQ/V -0807)
Lens (LQ/V -0159)$2
Prism (LQ/V -0819)
Optical Parallel and Plane Mirror (LQ/V -0846)
Cylindrical Lenses
Changchun Long Ze Precision Optics Co., Ltd.
🇨🇳 China
201211-50 peopleManufacturer/Trading Company/WholesalerOEM manufacturer
Product customization
Low MOQ
Small batch production
Key market
Africa
Description
Changchun Long Ze Precision Optics Co., Ltd. (CLZ Precision Optics) is a premier manufacturer and trading company specializing in high-precision optical components, coatings, and assemblies. Established in 2012 in Changchun, China's renowned optical manufacturing hub, the company was founded by a technical team with over 60 years of combined experience, including training at Qioptiq in Singapore. CLZ serves a diverse range of global industries, including medical, life sciences, defense, aerospace, research and development, and industrial manufacturing.
The company operates a sophisticated factory equipped with modern fabrication technology and advanced metrology tools, such as the ZYGO Verifire Interferometer, to ensure rigorous quality control and non-contact measurement of flat and spherical surfaces. Their extensive product portfolio includes spherical, cylindrical, and achromatic lenses, as well as optical mirrors, prisms, filters, and windows. A key specialization is the production of high-performance optical domes made from materials like fused silica, sapphire, and silicon, designed for demanding applications such as underwater ROVs, IR missiles, and sensors.
CLZ Precision Optics offers comprehensive OEM and ODM services, catering to both large-scale production and small-batch custom requirements for university laboratories and research institutes. Their capabilities span the UV, visible, and IR spectra, providing high-purity components with specialized antireflection coatings. With a focus on technical innovation and process improvement, the company has established itself as a reliable partner for engineers and designers seeking precision-grade optical solutions for commercial and industrial applications.
Optical Dome$50
Silicon Plano-Convex (PCX) Lenses$30
Silicon Lenses$50
Optical Glass Dome$100
Spherical Optics$10
Cylinder Lenses$10
Dia. 100mm Dome Lens/ Optical Glass Dome$100
Achromatic Lenses$5
Plano-Convex Lenses$5
Dia. 30mm Dome Lens/ Optical Glass Dome$100
Dia. 32mm Dome Lens/ Optical Glass Dome$100
30mm Inner Glass Dome$40
