A:Yes. We support sample trials; customers can specify specifications and materials, and after sample confirmation, bulk orders can be placed. Sample fees and shipping can be negotiated; sample fees can be refunded after bulk orders reach a certain quantity.
A:Common materials include chrome vanadium steel and high carbon steel. Incoming materials are checked against certificates; after heat treatment, hardness and torque are sampled. Key batches can be provided with test data, and customers can also commission third-party re-inspection.
A:MOQ for standard items is low, suitable for trial sales; custom specifications, LOGO, and packaging are evaluated per style, usually starting from several hundred pieces. Specific quantities can be negotiated based on customer market and budget, and small-batch trial orders are supported.
A:Standard items generally take 7 to 15 days; custom items take about 15 to 30 days depending on the process. Progress feedback can be provided during production, and pre-shipment inspection or third-party inspection is supported to ensure consistent batch quality.
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