Guangzhou Guangshang Electromechanical Maintenance Co., Ltd. DC motor repair. Generator repair. School balance. Carbon brush. Shanghai Nanyang Motor Guangdong repair factory. Diesel generator repair. The factory is from Xiangtan Motor Factory, Jiangxi Motor Factory, Shanghai Motor Factory A large-scale motor repair shop consisting of senior motor repair technicians at Guangzhou Motor Factory. The factory has advanced testing instruments and testing equipment, 2T and 5T dynamic balancing machine, F-class and H-class vacuum pressure dip coating device, motor failure analysis machine, high pressure withstand table; 5/10 ton driving crane; high and low pressure Motor no-load test station; DC motor test bench. The repair business covers the power, metallurgy, building materials, plastics, chemical fiber, paper, printing, mining and other industries. The factory specializes in repairing large and medium-sized generators, DC motors, speed control motors, multi-speed motors, three-phase commutator motors, explosion-proof motors, printing machine motors, traction motors, transformers, servo motors, synchronous motors, high and low voltage, AC and DC, Speed ​​regulation, imported motor repair, motor calibration and other services. The factory specializes in repairing imported motors around the world. Including ABB, the United States GE, Germany SIEMENS, Japan's Mitsubishi Corporation, Taiwan's Dongyuan, Datong and other imported direct AC motor, commutator motor. And become their special maintenance unit in the Guangdong area. The company specializes in various types of machining, mold processing, and non-standard parts processing.
Windows are desiged for use in optical systems to separate two enviroments while passing a particular spectral range between them.Applications include laser set-ups (e.g.at Brewster's angle),emitter,detector protection devices, such as in sepctrophotometers and imaging systems.
China Star Optics offers all types of windows made from different materials. Such as N-BK7, Fused silica, sapphire,CaF2, Silicon, Borofloat, high borosilicate glass and other optical glass supplied by Schott and Chinese CDGM are available upon request. Windows at shape of round,quadrate, triangular or other polygonal are also available upon request.In addition, we provide a variety of single layer or multiplayer anti-reflecting coating,HR,PR coatings on Optical Windows.
Specification of our optical windows as follow:
Sales: imported motor carbon brush, imported DC motor carbon brush, French Roland carbon brush, British Morgan carbon brush, Germany Chongde carbon brush, Japan Fuji carbon brush, EG313, EG367J, EG34D, EG389P, EG396, EG362, EG40P, EG332, EG365, EG300, EG98, EG369, EG319P, BG412, BG469, BG400, C8386, CG651, CG665, CG75, MC79P, MC12, EG251, LFC501, LFC554, A121, A122, A176, A210, A252, EG98B, EG98P, EG321, EG7099,EG9559,EG9117,EG8019,EG8067,EG7823,EG8220,EG9049,EG7132,EG7097,EG341,EG9041,EG364,EG6489,LFC3(2),C6958,CG33,MC689 M9426, M685, M621, EG319PJ, EG370, EG8098, EG8067J, EG6983, LFC557, BG401, BG540, A104, A212, AG20, AG35, MK20, MK30, MK45, MK55, MK65, MK75, MK85, MK90. E46, E29, E43, E468, E46F3, E46X, E49, E49X, E50, E50X, E55, E64Z4, E79X, E79Z1, E88, E101, E101X, E104, E105, E107, E108, E141, E151, F17, F40, F46, F49, F51, F61, F63, A12S, A16, A20, A24, A30, A41, B14Z1, B20, C16, C40, C40Z3, K14Z3, S11, S13, EG34D, CE7DE7, T900, G159W, ME778, 634, IM9101, IM31, CM1S, CM3H, CM5H, CM5B, CM9, SM3, EGOR, CX25EG19, CA35SA35, CA40SA40, CA45SA45, CA50SA50, EG251, EG283, ME377, T563, N19, N48, N6000, CE50, CN16, CE7, DE7, CE24, CE20, CE50, CE23, CN16, DE7000, ME778, H100, R318, EG12, EG236S, SA4542, TA45, T825, T900, NCC634, SM3, SM3, SM7, G159W, EG0REG0, CX25, CA35, SA35, SA40, CA45, SA45, CA50, SA50, T563, CM3T, CM5T, CM9T, MG50 Contact: Manager Chen Telephone Fax Website: http://
Address: No. 45, Yaonan Road, Nangang Town, Huangpu District, Guangzhou 
*Material:high borosilicate glass, BK7,UV-grade fused silica (JGS1) or other optical crystals materials
*Length tolerance:+/-0.01
*Width tolerance:+/-0.01
*Center thickness tolerance:0.005mm
*Surface quality:80-50 to 10-5 Scratch/Dig
*Surface flatness:<lambda to lambda/20
*Parallelism<=1min -- 2sec
*Clear Apenture:80% -- 100%
Infrared Window,Zinc Selenide Windows,Znse Wedged Window,Zinc Selenide Laser Window
China Star Optics Technology Co.,Ltd. , https://www.realpoooptics.com