We TBTSCIETECH is an ISO 9001 & SGS certified testing machine supplier, professional in field of asphalt, pavement, cement and concrete etc.
For retroreflectometer, we supply devices for road marking, road sign, road studs etc.

Nanjing T-Bota Scietech Instruments & Equipment Co., Ltd.

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TBT-808F Colorimeter is a small and light portable 45/0 optical structure of color aberration instrument. Dedicated to traffic signs, marking, reflective film brightness factor and color coordinate measurement.

Colorimeter

TBTSCIETECH supplier of pavement testing machine

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Colorimeter