Dear Sir or Madam:  I am glad to write to you and seek chances to cooperate. We are Qinhuangdao Yutian Science & Technology Co., Ltd--the manufacture of investment casting line. Enclosed is our PDF catalog, please check it. Our line includes the following quipment:  -- Single Wax Injection Machine -- Double Wax Injection Machine with Free Charge of Wax Container. (C type) -- Double Wax Injection Machine with Free Charge of Wax Container. (Top-injection type) -- Automatic Wax Injection Machine with Free Charge of Wax Container.  -- Wax Injection Machine. (Table-turned type) -- Double Wax Injection Machine with Exchangeable Wax Containers.  -- Wax Injection Machine with Double Air-Driven Mold Heads -- Ceramic Core Injector -- Wax Container and Thermo Insulation Vat -- Single Vacuum Fluid Dipping Machine -- Double-Vat Type Vacuum Fluid Dipping Machine -- L-Type General Fluid Dipping Machine  -- Thermostatic Vacuum Fluid Dipping Machine -- Lifting and Semi-Closed Soaking Machine -- Wind-Driven General Sand Fluidizer Bed Collector Vat -- Table-Turned and Water-Poured Type Low Temperature Wax Injection Machine -- Double Super-Charging Type Wax Injection Machine -- Low-Temperature Wax Paste Making Unit -- Automatic Dewaxing Autoclave -- Electric Heating Type Dewaxing Machine --Static Containing Vat -- Dewatering Vat (Wax Reclamation Vat) --. Moveable Wax Melting Cart -- Bottom Rotated Type Sintering Furnace -- Fuel and Gas Sintering Furnace -- Japanese Pneumatically Driven Type Shell Mold Remover -- Tower Type Shell Mold Remover -- Double Side Polisher -- Manual Dry Type Sand Blasting Machine -- Manual Cutting Machine -- Freezing Machine -- Dehumidifier -- Wax Transport Cart -- Automatic Hang Line Please see the attachment for detail. If there is anything we can do for you, please e-mail us. We are looking forward to cooperating with you.