YUEYI Mold, China experienced gyratory mold maker, quality offer multi shot roller spike mold, two colour back massager mold, 2 component plastic drewmass mold, bi material massage roller mold. 

At YUEYI，all finished molds are approved by our QA department before shipping, and we have strict final inspection instruction to check our products that details as below <Final Moulds Inspection Checking List>.

COOLING
Are water lines stamped to customer specificatio?
Are water lines numbered to customer specifications?
Are water lines correct size to customer specification？
Are waterlines counterbored?
Are the o-rings pocketed on the core retai？
o-ring fit in groove？
Are thequality of all o-rings good enough?
Have water lines been pressure tested?
Are there any water leaks?
If so where?
Do the water lines match the plaque?

If you’re still looking for the good bi injection back trainer mold maker in China, we can be your another good choice.

Lucia

lucia@yueyimold.com