Such FAQ (https://www.myplasticmold.com/what-should-we-need-for-quotation.html) would help you a lot before you send any inquiries to any plastic mold and injection molding suppliers.
Huangyan Moldmaking Section:
0086 576 84761366
mold center west zone
Dongguan Precison Mold Section:
0086 769 85078382
#140 jinghai RD shatou,Chang'an