截止2019年11月12日，贵司TOSIA氧氦气管安装工程合同，欠我司

As of November 12, 2019, your company TOSIA helium oxygen pipe installation contracts, money owed to our engineering balance due of $ 130,000.00. Over the years, our company has been actively committed to maintaining and deepening cooperation between the two sides, the Division I can understand the difficulties in the current situation faced by your company, but more debt has seriously affected our normal production and operating cash flow. Hope that your company under the premise of respecting the contract, a written reply comments solve the aforementioned arrears within 2 weeks, and the retention money paid to the Division I before 15 December 2019.

As of November 12, 2019, your company's TOSIA oxygen helium pipe installation project contract, owed us to the end of the project of $130,000.00. For a long time, I Division has been actively committed to maintaining and deepening the cooperation between the two sides, I Can understand the current situation of your difficulties, but the above arrears have seriously affected our normal production and operation of cash flow. I hope that you will reply to the written opinion on resolving the aforementioned arrears within 2 weeks, subject to respect for the contract, and to pay the warranty to me by December 15, 2019.

As of November 12, 2019, your tosia oxyhelium gas pipeline installation project contract owed us $130000.00 as the final payment. For a long time, our company has been actively committed to maintaining and deepening the cooperation between the two sides. We can understand the difficulties your company is facing under the current situation, but the above debts have seriously affected the cash flow required by our normal production and operation. We hope that your company, on the premise of respecting the contract, will reply to the written opinion of settling the aforementioned arrears within 2 weeks, and pay the quality assurance deposit to us before December 15, 2019.<br>