DVR, NVR, IPC.OEM, ODM
Safe box, gun safe, mailbox, key box, cash box.
CCTV camera.
Black box DVR, mobile DVR and CCTV accessories.
CCTV camera & DVR & accessories.
Fire security system.
Fire extinguisher.
Fire extinguisher.
CCTV camera module, network ip cameras system, security camera module.OEM customization
CCTV camera, security camera, CCTV security camera, IP CCTV camera, IP camera, IP camera wireless, IP CCTV, CCTV camera price, security system, camera security system, wireless camera, wireless security camera, wireless security, home security camera, IP dome camera, CCTV digital video recorder, DVR CCTV recorder, CCTV dome camera, bullet HD camera, bullet hd, camera ip, camera PTZ IP, IP PTZ.
Home gas detector, portable single gas detector, multi-gas detector (four in one, wall mounted all in one gas alarm.
DVR, NVR, HVR & IPC, AHD, CVI, CVR, ECT, CCTV system.
CCTV security systems, analog cameras, simple DVR, mobile DVR, IP cameras, NVR.
Safety & fire fighting equipemnts.
CCTV cameras, IP cameras, DVRS, NVRS, DVR kits, NVR kits, and other parts.
CCTV camera, CCTV system, DVR, NVR.
TB/T 3237 Chinese Fire test standard for railway vehicles - Standard TB/T 3237 Flame retardant technical specification of decorating materials for multiple unit train TB/T 3237 Chinese Fire test standard for railway vehicles Test Method GB 2406 Oxygen index test UIC 564 Combustion test GB 8323 Smoke density test TB 3237 Part 4.4 Smoke toxicity test TB/T 3237 Chinese Fire test standard for railway vehicles Scope This Standard is applicable to the flame retardant decorating materials for the multiple unit train with an operation speed larger than or equal to 200km/h. This Standard specifies the flame retardant property requirements and test methods for the decorating materials for multiple unit train. TB/T 3237 Chinese Fire test standard for railway vehicles Reference Standard GB/T 2406.2 Plastics - Determination of Burning Behavior by Oxygen Index GB/T 10707 Rubber - Determination of the Burning GB/T 8323.2 Determination of Optical Density by a Single-chamber Test UIC 564-2 Regulations relating to fire protection We also can provide the following service of fire test to Railway EN45545-2 Fire protection of railway vehicles: Requirement for fire behaviors of materials EN45545-3 Fire resistance requirements for fire barriers NFPA 130 Standard for fixed guideway transit and passenger rail systems DIN5510-2 Fire behaviour of materials and parts, classification, requirement and test methods BS6853 Code of practice for fire precautions in the design and construction of passenger carrying trains NF F16-101 Railway Rolling Stock Fire Behavior Choice of Material
Rail transit is one of the main means of transportation. Because of its limited space, it is difficult to escape. The fire performance of materials of railway vehicle has attracted more and more attention around the world. There are two main standards of fire protection for railway vehicle, EU standard EN45545 and NFPA130. EN 45545 Standards EN 45545-2 Requirement for fire behaviors of materials and components Fire Hazard LevelHL1HL2HL3 Product CategoryR1 R26 Test MethodISO5658-2ISO5660-1 ISO9239-2 ISO4589-2ISO5659-2NFX70-100 EN 45545-3 Fire resistance requirements for fire barriers NFPA 130 American Standard NFPA 130 Standard for fixed guideway transit and passenger rail systems Test Items Surface Flammability, Smoke Density, Heat Release Test method
Poe switch for networking transmission, CCTV, IP phone, wifi, router, DVR, nvr, pd devices, poe splitter, poe module, poe splitter cable.
Machine vision lens, FA lens, CCTV lens, optical components, prism, lens, filters, waveplate.
