1.search one clothing factory, then contact them.
2. communicate with them to check their ability to cooperate with you.
3. provide them your draft, think the expert in clothing factory will know how to do it. if possible, provide samples.
3. then they will make samples and send to you for confirmation.
try this one 德发时装, it's a HK factory in china. you can got Emails and tel# from the site. if you need any assist, please feel free to contact me. the factory is near where i living
a cantonese in Guangzhou, South China