Grooved Fittings Introduction Material: ASTM A536 GRADE 65-45-12, QT450-10 Threads: ASME b1.20.1, ISO 7-1, GB7306 Size Available: 1″ - 12″ Surface Treatment: P: Painted E: Electroplated S: G: Hot-dip Galvanized ມີສີ: ສີແດງ, ສີສົ້ມ, ສີຟ້າ, ສີຂີ້ເຖົ່າ, ສີຂາວຜະລິດຕະພັນຄໍາຮ້ອງສະຫມັກ ...
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