For experienced procurement managers, the final decision and contract signing stage requires thorough verification of product quality, supply capacity, and cooperation terms. Below are the 16 most critical questions that procurement managers are most likely to ask technical support or sales engineers, sorted in descending order of comprehensive impact weight on safety, reliability, delivery capacity, and financial costs. These questions directly determine the stability of subsequent supply chains and the rationality of procurement investment.FAQs for Procurement Decision-Making
- Q: Can you provide the Electrical Life Test report? A: Yes, we can provide the Electrical Life Test report. Electrical life testing is a key reliability assessment for electronic components, which employs voltage and/or temperature to accelerate the appearance of wear-out reliability failures and verify long-term performance compliance.
- Q: What certifications do you hold? A: Our products have obtained CE, RoHS, CCC, and ISO certifications, ensuring compliance with international and domestic industry standards for quality and safety.
- Q: What is the material of the shell? A: The shell materials are available for customization on demand, including nickel-plated brass, 304 stainless steel, 316 stainless steel, and aluminum oxide, which can meet different application environment requirements.
- Q: Has the IP67 protection level been verified by a third-party laboratory, and is there any immersion test data to support it? A: Yes, it is supported. The IP67 protection level is tested in accordance with international standard IEC 60529:2013 and Chinese standard GB/T4208-2017, which means the product is completely dust-proof and can be immersed in 1-meter deep static water for 30 minutes without damage. We have complete third-party verification reports and immersion test data.
- Q: What are the material and plating thickness of the quick-connect terminal? A: The quick-connect terminal is made of tin-plated brass, which ensures good electrical conductivity and corrosion resistance.
- Q: What is the spring life and actuation force of the momentary self-reset mechanism? A: The spring life is more than 1 million times, and the actuation force ranges from 2.5N to 4N, ensuring stable performance and long service life in frequent operation scenarios.
- Q: Has the supplier’s production line passed ISO 9001 certification, and when was the last external audit? A: Our production line has passed ISO 9001 certification. We strictly follow the quality management system requirements, and the latest external audit was conducted in line with the standard audit cycle to ensure the stability and controllability of the production process.
- Q: What is the current production lead time, and is there a price agreement to cope with the price fluctuation of raw materials (such as silver and steel)? A: The production lead time is 7-15 working days. We have a special price agreement to deal with the price fluctuation of raw materials, which can effectively avoid the impact of raw material price changes on the order price and ensure the stability of procurement costs.
- Q: What is the Minimum Order Quantity (MOQ), and do you support First Article Inspection (FAI) verification for the first batch of samples? A: The MOQ is 100 units. We support FAI verification for the first batch of samples. FAI is a production validation process that verifies whether the production process can produce products that meet the design requirements, which is an important guarantee for product quality consistency.
- Q: What is the standard warranty period, and how to handle RMA (Return Merchandise Authorization) for industrial failures? A: The standard warranty period for industrial-grade switches is 12 months. For industrial failures that occur within the warranty period, we have a standardized RMA handling process to ensure timely after-sales response and efficient problem solving.
- Q: Has the product passed the IK10 mechanical shock resistance test? A: Some products have passed the IK10 mechanical shock resistance test, which can withstand the impact of external mechanical forces in industrial environments and ensure the integrity of product structure and performance.
- Q: Can you provide supporting wiring harnesses to achieve plug-and-play? A: Yes, we can provide supporting wiring harnesses, which are pre-assembled and debugged to realize plug-and-play, saving installation time and reducing installation errors for customers.
- Q: How is the connection strength between the switch terminal and the base, and will plastic cracking occur in a vibrating environment? A: Our products adopt a buckle design, which enhances the connection strength between the terminal and the base. This design can effectively resist vibration, avoid plastic cracking in harsh vibrating industrial environments, and ensure the stability of the electrical connection.
- Q: Where is the Country of Origin (COO) of the product, and are there any import tariffs or trade compliance restrictions? A: The product is made in China. There are no additional import tariffs or trade compliance restrictions for most regions, which can ensure smooth customs clearance and stable supply.
- Q: Can laser marking (Power Symbol or Logo) be done on the switch head as required? A: Yes, we support laser marking on the switch head according to customer requirements, including Power Symbol, Logo, and other customized marks, to meet the brand and identification needs of customers.
- Q: Are your payment terms flexible, and do you support letter of credit (L/C) or credit insurance transactions? A: Yes, our payment terms are flexible, providing a variety of payment channels to adapt to different procurement needs of customers. We also support Alibaba Credit Insurance orders, which can effectively reduce transaction risks and ensure the safety of both parties’ funds.
Why These Questions Matter for Procurement Decisions
For B-end procurement, safety and reliability are the top priorities—issues such as electrical life, protection level, and material quality directly affect the operational safety of the entire production line. Delivery capacity and raw material price agreements are related to the stability of the supply chain, avoiding production delays caused by insufficient supply or cost overruns. Meanwhile, flexible payment terms and perfect after-sales service (such as RMA handling) can reduce procurement risks and improve cooperation efficiency.
By answering these 16 key questions, we aim to help procurement managers fully grasp the product quality and cooperation conditions, make scientific and rational procurement decisions, and establish long-term and stable cooperative relationships with suppliers.

