• Most Strict Valve Quality Control & Assurance in China
As an experienced valve supplier in China, Baltic has won reliance from many customers for its stable quality and superior performance of valves.
We are pleased to take you on a virtual tour of Baltic's quality control. Following photos show how our inspection department and technical department work on valves, including many steps involved in the manufacturing, testing and package. 

Out team attaches high importance to quality. We have whole complete strict inspection steps, which include from raw material, machining process, hydraulic test, painting, packing to shipment. Original inspection records are preserved, Cert. – 3.1 is provided with every valve. Inspectors are responsible for their inspected valves. For qualified valves, they stamp steel seal on bonnet flange surface.
baltic quality control
To keep stable quality, our team has long cooperation with Third Party Company, like France BV, Germany TUV and Norway DNV. Customers' satisfactory is our great aim.
We inspect from below steps:

1. Raw material
Raw Casting
raw casting heat treatment heat treatment report

2. NDT tests
wall thickness inspection standing PMI inspection
ultrasonic inspection   wall thickness inspection standing PMI inspection

3. Dimension control
connection flange    face to face  butt welded 
spare part gauge spare part width spare part height
4. Hydraulic test
hydraulic test accurate result reading video hydraulic process
pressure inspection check leakage  pressure testing
5. Painting
silver RAL 9006
silver-RAL 9006 hanging on painting line painting drying
cleaning before painting
zinc plated bolting before package
after painting  special painting yellow colored

6. Package
fumigation box under package special package
plywood box steel sheet big box package
plastic bag & polifoam plastic lock & polifoam transport protection
clapboard application plastic bag clapboard
clapboard application plastic bag & clapboard well kept protection