Scienta D4 Index Videos July 2023New D4 Installation @ 7.5kYiwu, China Aug 2022Scienta D4 Index Retro-FitTokyo, Japan July 2022Scienta D4 IndexVerona, Italy Nov 2019 Scienta D4 Multi Web Indexer on a KBAYiwu, China Oct 2019Scienta’s D4 Indexer in operation Yiwu, China Apr 2019Scienta D4 Indexer running at 8k sphDongguan, China.