Haiyan Ehons Industrial Co., Ltd. · Haiyan, Zhejiang, China +86 573 86408558 [email protected]
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Inside the Ehons Factory

Seven stages, photographed at the plant in Haiyan: production workshop, materials, heat treatment, quality control, packing, warehouse and loading.

Step 1 of 7

Production workshop

Cold heading machines run in banks along the shop floor, each set for a head form and a wire diameter. Heading is where the head geometry is decided, and it is the reason a bugle profile or a ribbed underhead is consistent across a run rather than a matter of luck.

Rows of cold heading machines in the Ehons production workshopOperator setting up a cold heading machine on the shop floorGreen cold heading machines lined up along the production hallWide view of the heading line inside the Ehons factory
Step 2 of 7

Materials

Wire arrives and is staged by grade before it reaches the heading line. Carbon steel grades including C1022 and 1022A, alloy steel and stainless steel are held separately, with the grade recorded against the batch so a material certificate can be produced against an order.

Steel wire and part-formed blanks staged in labelled binsMaterial handling equipment beside the heading lineBulk containers of blanks waiting for the next processWire stock staged in the materials area of the factory
Step 3 of 7

Heat treatment

Heat treatment sets the case hardness that lets a drill point cut steel and a drywall screw tap a stud, while keeping the core tough enough that the head does not snap in the gun. This is the process step that separates a screw that works from one that looks the same and fails.

Heat treatment furnace line inside the Ehons plantConveyor feeding parts into the heat treatment processHeat treatment equipment and control panels on the shop floorQuench and tempering section of the heat treatment line
Step 4 of 7

Quality control

Inspection runs alongside production rather than after it. Dimensional checks on head, thread and point, hardness after heat treatment, coating thickness after finishing and pack counts before palletising all feed the same internal system, which the company states follows ISO 9001.

Sample screws sorted into inspection trays by sizeQuality control station with graded sample sets on shelvesInspection area with reference samples laid out for comparisonSorted fastener samples held for dimensional checking
Step 5 of 7

Packing

Packing is set by how the screws will be used. Bulk 25 kg cartons and bags for site work, 1 kg boxes at 25 to a carton for merchants, count packs of 1000, 500 or 250 pieces where installers buy per square metre, and 15 kg cartons at 48 to a solid wood pallet for container loading.

Automatic weighing and packing equipment on the packing lineCartons being filled and sealed in the packing areaPacking line with weighing hoppers above filling stationsFinished cartons stacked at the end of the packing line
Step 6 of 7

Warehouse

Finished goods are palletised and held by item and finish. Holding stock of the highest-turnover lines is what makes a call-off arrangement against an annual volume practical rather than theoretical.

Palletised cartons of finished screws in the warehouseRacked pallets of packed fasteners ready for despatchWarehouse aisle with stacked pallets of cartoned screwsFinished goods staged for loading in the warehouse
Step 7 of 7

Loading

Containers are loaded at the plant and move to Shanghai or Ningbo depending on the sailing. Trade terms cover FOB, CIF, CFR, CNF, EXW, DDU and DDP, so the customer can take control of the shipment at whichever point suits their own logistics.

Container being loaded at the factory despatch dockShipping containers backed up to the loading baysPallets being moved into a container for exportLoaded container ready to leave the Ehons plant
2Separate factories in Haiyan
2,000 tStated monthly supply ability
ISO 9001Quality system stated by the company
Shanghai / NingboLoading ports

Arrange an inspection or a factory visit

Third-party inspection before shipment is accepted and is common on first orders. Email with your dates or your inspection agency and it will be arranged.