Property, plant and equipment (Details) - Schedule of property, plant and equipment - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	$ 731,740	$ 721,983
Less -- accumulated depreciation	(308,492)	(242,077)
Property, plant and equipment, net	423,248	479,906
Trucks [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	360,056	350,299
Welding equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	285,991	285,991
Office equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	23,408	23,408
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	18,663	18,663
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	12,768	12,767
Computer hardware [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	8,663	8,663
Computer software [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	$ 22,191	$ 22,191