When I was a student I worked for a company who made injection moulded HDPE parts for fishing boat gear. After a few years on the market, the company noticed i

When I was a student I worked for a company who made injection moulded HDPE parts for fishing boat gear. After a few years on the market, the company noticed identical products coming out from China, the only difference being that the parts were far more brittle and broke easily (they still even had the company website printed into the plastic).