{"id":2,"sku":"PRF-4040-GB-STD","name":"4040 国标标准工业铝型材（槽宽 8mm）","category":"profile","dimensionsSpec":"40×40 mm · 中心孔 Ø6.8 (M8) · HJY123","unitPriceCny":58,"unit":"m","unitWeightKg":1.267,"profileCompatibility":"4040","supplierModelRef":"HJY123","catalogPageRef":"PDF P19","inStock":true,"updatedAt":"2026-10-18T13:51:01.505Z","createdAt":"2026-10-18T13:51:01.505Z"}