【205】Mold Tried Eight Times and Still Failed – Fengchuang Passed on the First Shot, Client Sent a Thank-You Letter

【205】Mold Tried Eight Times and Still Failed – Fengchuang Passed on the First Shot, Client Sent a Thank-You Letter

Keywords: Fengchuang Plastics Branded Injection Molding Machines Proprietary Technology Mold Development

Ajie is a project manager at a medical device company in Guangzhou. One of their surgical instrument handles had undergone eight trial runs at another mold shop – not a single one succeeded. The first had sink marks, the second warped, the third short-shot, the fourth stuck to the mold, the fifth had dimensional deviations, the sixth showed flow marks on the surface, the seventh was brittle and cracked, and the eighth went back to sink marks. The supplier said, "There's a problem with the product design – you need to change the structure." But the design had already passed clinical validation and couldn't be easily altered.

Ajie's company had already been questioned by shareholders due to the project delay. The boss said, "One more month. If it's not fixed by then, we're replacing the project manager." The pressure was so intense that Ajie could barely sleep four or five hours a night, and ulcers covered the corners of his mouth. A friend working in a hospital told him, "Many of the surgical instrument housings we use are made by Fengchuang. Go give them a try."

Ajie contacted Fengchuang. Their engineer didn't immediately accept the job. Instead, he first asked for the process parameters from the previous eight trial runs. After studying them for three days, Fengchuang's engineer delivered a diagnosis: "It's not a design problem. It's a mismatch between the injection molding machine and the process. The machine your previous supplier used didn't have enough clamping force, and their pressure-holding curve was set incorrectly, causing the repeated sink marks. We have a 250-tonne Haitian machine here, and with our proprietary 'gradient pressure-holding control technology,' we can keep shrinkage within 0.1%."

After Fengchuang took over, they ran just one trial shot, and the parts met all specifications. Looking at the flawless samples, Ajie felt an immense weight lift from his shoulders. At the company's weekly meeting, he played a video of Fengchuang's trial run and said in front of everyone: "It wasn't a design problem with our product – it was that we hadn't found the right supplier."

After the product was successfully launched, Ajie wrote a thank-you letter to Fengchuang. The final line read: "With Fengchuang, you'll never regret placing an order." Fengchuang now has that letter copied and displayed at the workshop entrance, where every visiting client can see it.

Mold tried eight times and still failing, project facing cancellation? Fengchuang's 20 branded injection molding machines plus proprietary technology deliver first-trial success.