It is with great pleasure that we write to invite you to theCeramic Metal Halide (CDM) Street Lighting Test at theRajabhakti Park in Hua Hin, Prachuap Khiri khan Province. We will be glad to have your team to supervise and advise us onthe procedure of measuring the average lux, actual Color rendering index (Ra) and to take pictures for comparison of the Ceramic Metal Halide (CDM) Street Light with High Pressure Sodium (HPS) Street Lightson Thursday 25 November 2016. The testing offers a new focus for better light source, for higher vision efficacy lumen when driving, for safer driving environmentand energy efficiencyin a sustainable way. The test will be marked by a team of engineer Mr…..,of theExpressway Authority of Thailand. The testing, which are kindly arranged by Magtronica Co., Ltd.with providing transport to and from Bangkok to the test site in Hua Hin, PrachuapKhirikhan,including accommodation and meals for a 2 days and 1 night trip and the itinerary is as below;
Sightseeing