문제 및 해결책
일반적인 플라스틱 재료 문제에 대한 실질적인 답변
Pitting on the bottle body surface
Stretch rod scratching the bottle inner wall
Bottle body perpendicularity out of tolerance
Collapse of heat-resistant bottle after hot filling
Uneven bottle body wall thickness (locally ultra-thick)
Uneven bottle body wall thickness (locally ultra-thin)