Subtractive Quality Assurance model broke through the outdated views, providing the solution to complete project with less time, less budget and deliver full contents in high quality.

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Quality — Cost — Time: they say 'pick any two'

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In the traditional thinking, company used to lower product defect rate by using components with higher quality. Therefore, the undivided problem is that the cost will increase so the profit margin will be lower.  

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Our –QA model is able to maintain the time, quality and cost at the optimal level by resolving the root cause of the critical issue. For decades, it has been widely applied in various industrial and service firms in Hong Kong and mainland China.

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Successful Cases Sharing


1st Tier Solid State Lighting Manufacturer

Recovered ¥1.5 Million from WIP

Production Cycle: 14days ↘ 2 days

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