Custom Roller Blinds Manufacturer

hi..i need to get a trusted manufacturer "can be in china who do window blackout blinds "shutters", that matches exactly the attached parts ..please note there are several types in the market that looks same .. but im specifically looking for this specific design "attached images"...also note that sizes are custom made per order, so there is no moq "one by one" ... please again, same exactly parts as images ..thank you