so sorry cause you much inconvience and waste time,money.all these we will compensate.
we will go on check why our purchase department buy the color core and have meeting with QC department.
1)we will buy new two machines end of this month only for making your order.avoid the dirty yarn.
2)for the defect yarn,please advise us when you want to need,then we send back,all fee we pay,including your side.
3)all the yarn we will send in the future,will check by our oversea department,no by QC.hope you can believe.