Dear.Mr.David
the production lot from week 33 will be considered good quality status.
the reason is as follows.
1st.Mold - replace parts 'hasco' in cooling line - improved to be normal cooling structure > completed
2nd.Re-setting injection conditions - re-adjust temp. upper / lower Mold > completed
3rd.Machine - gear pump repair and reinforcement of pressure - can be set Holding pressure of condition for the good appearance > 18/AUG. completed
Have to improvement reason by as below :
3-1.affected to defect of 'SINK MARK' cause by low level holding pressure & low pressure within the mold.
3-2.'have to keep on long Holding pressure condition for produce good products. but it is generated pump overload'
prod. start from 18/AUG
Thank you for your interests and kindness.