Pneumatic components are becoming more and more significant during the production process and food packaging. It is normal for an advanced food packaging equipment to apply the non-oil supply lubricant pneumatic system, which consist of filter, regulator, non-oil supply lubricant valve and cylinder. SLGPC pneumatic components can supply this whole system, which can operate in a long time without the supplement of grease, it is able to reduce the oil consumption, improve the environment, lower the cost, maintain the valve conveniently and steady the performance.