A factory trial is most useful when the buyer and manufacturer agree on the test material, drawings and measurement method in advance. The aim is to verify a defined production task under observable conditions.

Send the material grade, bar sizes, drawing revisions and typical batch quantities before the visit. Ask whether the required machine and material will be available. Define who supplies material, how samples will be measured and which machine configuration is being demonstrated.
Observe feeding stability, straightening, bending, cutting and collection. Count acceptable parts and note interruptions, adjustments and changeover time. A short demonstration should not be treated as a guaranteed daily output for every shape. Compare performance only under matching conditions.
Record the machine identification, configuration, included accessories and trial results. Resolve any deviations before shipment and confirm the packing list, manuals and training arrangement. A signed technical specification provides a clearer reference than verbal statements about accuracy or speed.
What should I send first? Provide the material, finished-part drawings, output target, site power and delivery destination. The manufacturer can then check an appropriate configuration.
Are website examples a final specification? Confirm processing limits, accessories, acceptance criteria and service terms for the specific order in writing.
Xingtai Haihui Machine Tool Co., Ltd. · Renze District, Xingtai, Hebei, China. Phone / WhatsApp / WeChat: +86 13932960232. Email: 417786525@qq.com. Send your material specifications and drawings for model selection and quotation discussions.
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Haihui Machinery is a professional manufacturer of CNC rebar bending machines and steel bar processing equipment, serving construction and steel fabrication customers worldwide. Add:Add: Dengqiao Haihui Machine Tool, Tiankou Town, Renze District, Xingtai, Hebei, China. Xingtai Haihui Machine Tool Co., Ltd