Fastest Time to Visit All US N
Dr. Christopher Foster, from California, USA, embarked on a continuous journey to visit all 51 US National Parks in the contiguous United States on his Harley-D...
Record Number: WRC200525A
Record of Achievements: 0.68mg/L in 63 days
Place of Record: China
Record time: 6 July 2020
The formaldehyde removal sprays and wall materials for formaldehyde decomposition produced by the "Shiwan Beizhang" brand, tested by the China National Center for Quality Supervision and Test of Building Engineering and verified by the WRCA, have been confirmed as the "most efficient and durable decomposition technique for formaldehyde".