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Supplier quality management at a solar inverter manufacturer improves suppliers’ competences and ensures SOP start on schedule

Our client is a global leader in Smart Energy Technology, specializing in intelligent inverter solutions for solar energy. With revenues of USD 1.96 billion and a workforce of over 4,100 employees, the company plays a pivotal role in advancing sustainable energy solutions worldwide.

Key Challenges

  • Acquisition of an Italian Tier 1 (EV company) to enter the automotive industry
  • Its suppliers provide core components/ modules: DCDC/OBC, E-motor, Inverter, PCBA, HV cables
  • Improving the competence of 6 major suppliers (Tier 2&3) according to Tier 1 PPAP and VDA6.3 requirements for process management & submit Production Submission Warrant (PSW) on time
  • Coordinate suppliers to ensure SOP start on schedule

Approach

  • Regular review of the Production Part Approval Process (PPAP) separately with APAC supplier quality management and Tier 1 and 2 suppliers
  • Coaching suppliers to close high/low risk investments and improve Quality competence (e.g., FMEA, Control plan, MSA, SPC, Change management)
  • Coaching suppliers Shopfloor management (Performance mgmt., 5S, Visual mgmt. and Layer process audits(LPA) design and implementation)
  • Support suppliers process improvement, current machine adjustment and new machine setup & validation to meet quality standards
  • Client new machine investment evaluation & proposal for suppliers

Results

  • Close high/low risk investments in PPAP checklist and submit PSW on schedule
  • Improve Tier 2&3 suppliers’ quality competence and shopfloor management level
  • Ensure new machines/ process setup & validation execution on schedule for Tier 2&3 suppliers