you can explore horigen brand by ourlittlelamb. they have various hospital grade and pass medical std pumps. available in shopee too. established since 2006 n brand founder sits in advisory board for breastfeeding and work with government to set standard of breastfeeding in their country. many brands private label or utilise their technology in usa,europe, australia n asia.
I personally think it’s good for use during day time or when we need to travel etc. At home, I still use my hospital grade one. Suction and all is good.