Indoor type integrated way spelitter shell series, is molded after one die-casting, with specially designed molding and is equipped with precise plastic, plug stamping and has more reliable plug and pull force and elastic property. The surface is treated with schot blast cleaning, nicked plating and tincerium alloy plating and has more glazing and is more beautiful. The surface is treated with sand blasting and is deactivated by polishing white chromate so as to be more elegant, natural and green.