Paul Chang

A results-driven Quality & Engineering expert with 30+ years of comprehensive experience in manufacturing quality management, EHS, sustainability and supply chain compliance. Proficient in quality system establishment (ISO9001/13485/14001/28000), NPI quality planning, reliability testing, and hazardous substances control (RoHS/REACH/Prop65). Specialized in cross-border supplier management, factory audit, and end-to-end quality control for multi-category products (electronics, consumer goods, machinery, smart devices, drones, agricultural equipment, etc.).

Provide quality assurance services and compliance projects for global top-tier clients (Juul, Honeywell, Owlet, Zipline, Secret Lab, etc.) and delivered systematic solutions for process optimization, ESD improvement, and supply chain setup. Combines strong technical expertise in metal/plastic processing, SMT, and assembly with excellent team leadership and cross-functional collaboration skills, with a proven track record of driving continuous quality improvement and ensuring on-time product launch with zero critical quality issues.

Quality & Engineering Expert at Leigutech (2016-03 – Present)

Global client project quality management, supplier quality & CSR system setup, reliability testing, and cross-border supply chain optimization for multi-category products. Led 20+ key projects for international clients across consumer electronics, smart devices, machinery, drones, and agricultural equipment, with 100% on-time delivery and critical quality issue zero rate.

• Juul (2017) - E-cig: Supported initial product setup in Shenzhen & Suzhou; conducted factory assessment and assembly process audit; completed packaging machine validation in Qingdao.
• Skullcandy (2017) - Earphone: Established cTPAT process and conducted factory audit to ensure supply chain security compliance.
• Honeywell (2017) - Air purifier & safe box: Performed supply chain audit and optimized supplier quality control process.
• Owlet Baby Care (2018-2019) - Smart socks & baby camera: Led full-process quality management; conducted factory audit, collaborated with CM on process setup (die cut/lamination/stitching/injection/metal part/packaging); implemented pre-shipment inspection and product reliability testing.
• PMD/Puffco (2018) - Skincare product & E-cig: Provided reliability testing support and completed regulatory compliance application to meet international market standards.
• Keirton (2019) - Ultrasonic cleaning machine/ Lyophilizer: Completed pre-shipment inspection and factory acceptance test; conducted comprehensive assessment on HID interface, program logic, sensors, metal frame, pipeline and key components.
• Secret Lab (2020) - Game chair & game table: Performed factory selection and process audit; optimized manufacturing processes (diecasting/argon arc welding/sheet metal/assembly) and implemented pre-shipment inspection.
• e-elektronik (2020) - 2-inch tablet: Set up supply chain with solution company; tracked line setup and product validation in all development stages; formulated testing protocol and conducted shipment inspection.
• Turn Tide (2021) - Agriculture motor control: Assisted CM in establishing a full ESD system in line with ESD20.20 standard; improved supplier process performance via lean manufacturing, kanban and visual management; resolved field-reported issues with targeted solutions.
• Zipline (2022) - Drone: Conducted professional welding quality inspection for the drone receiving frame to ensure structural safety.
• Aroma Techscent/Village (2022) - Atomizer: Completed factory selection/audit and pre-shipment inspection for mass production.
• Harbor (2024) - Coffee roaster: Supported prototype build; formulated initial SOP, quality standard and control plan; completed technology transfer to client's CM and developed compliance/regulatory plan. Select of factory in Asia.
• Power Assemblies Inc (2024) - Power distribution box (beetle box): Led full product development, including process setup, testing protocol formulation and full-cycle quality control.
• Conduct product reliability testing for multiple global clients and formulate standardized testing protocols.
• Establish and optimize supplier quality and CSR processes, conduct regular factory audit and supplier classification management.
• Provide one-stop professional support (sourcing/quality/testing/manufacturing design) for Chinese sourcing companies covering gifts, silicone rubber, electronic devices, fasteners, etc.
• Complete factory acceptance test for key equipment (ultrasonic machine, freeze dryer, etc.) and ensure equipment meets production quality requirements.

Quality & Compliance Director at PCH International Ltd (2009-09 – 2016-03)

Led a cross-functional quality team of 20+ members, responsible for global quality system management, NPI quality planning, and supply chain EHS/CSR compliance.

• Quality System Management: Conducted supplier capability assessment and improvement; developed product/process compliance audit system; maintained ISO9001/13485/14001/28000 (C-TPAT) certifications; managed US FDA medical device system audits, achieving 100% pass rate for all external audits.
• NPI Quality Planning: Oversaw NPI quality plan formulation and implementation; established product quality validation standards; guided project managers in FMEA and root cause analysis, ensuring smooth mass production of 50+ new products.
• Reliability Testing Lab Management: Managed ALT laboratory operations and reliability testing team; built product reliability verification/qualification process; conducted failure mode analysis, reducing product failure rate by 35% year-on-year.
• EHS & Social Responsibility: Led supplier labor condition and EHS compliance audit; established environmental compliance system (RoHS/REACH/Prop65); promoted supply chain sustainability, achieving 40% improvement in supplier EHS compliance rate.
• Continuous Improvement: Formulated corporate quality continuous improvement process; organized team training and capability development; built a professional quality control team with clear goals and efficient execution.

EMS Quality Manager at Motorola China Electronics Ltd (2006-04 – 2009-09)

• NPI Implementation for Asia Pacific: Cooperated with EMS suppliers to complete product mass production preparation; established standardized processes (process control plan/FMEA/pilot production/DFx review); led NPI of home network products (set-top box, IP set-top box, wireless modem, mobile phone) in Asia Pacific, with 95% on-time launch rate.
• Supplier Performance Management: Established scientific supplier scorecard system; formulated short/long-term improvement plans, driving 30% improvement in supplier overall quality performance.
• Quality Crisis Handling: Adopted professional problem-solving methodologies to resolve quality crises; promoted permanent corrective solutions, reducing production shutdown/ delivery delay incidents by 40%.
• Engineering Collaboration: Coordinated tolerance negotiation with EMS suppliers; ensured accurate implementation of engineering design requirements, achieving 98% consistency between product design and manufacturing.

Customer Quality Manager (Quality & Engineering) at Flextronics Computer (Zhuhai) Co., Ltd (2005-04 – 2006-04)

Key Account Focus: Dell & HP, responsible for corporate-level customer quality/engineering requirement implementation and new product launch quality management.

• Key Account Quality Management: Led quality/engineering management for new products/projects during mass production, ensuring 100% compliance with customer quality and delivery requirements.
• Quality Documentation & Complaint Handling: Reviewed quality documents and compiled issue reports; handled customer quality complaints, implemented corrective/preventive actions, reducing DPPM by 25% and improving customer satisfaction to 98%.
• Resource & Team Management: Allocated JQE/NPI QE/equipment/material/document team resources; ensured sufficient NPI support; led tooling/product approval tracking, ensuring 95% project on-time completion; conducted engineer performance evaluation and team building.

Bachelor's Degree in Material Engineering – Xi'an Institute of Technology (1990-09 – 1994-07)